From d54866abb55fffac271a84647b7c009d7eeff924 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Mon, 14 Oct 2024 17:03:39 +0000
Subject: [PATCH] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 nose2/config.py                               |  2 +-
 nose2/events.py                               | 74 +++++++++----------
 nose2/loader.py                               |  2 +-
 nose2/main.py                                 |  2 +-
 nose2/plugins/attrib.py                       |  4 +-
 nose2/plugins/buffer.py                       |  4 +-
 nose2/plugins/coverage.py                     |  2 +-
 nose2/plugins/debugger.py                     |  2 +-
 nose2/plugins/doctests.py                     |  2 +-
 nose2/plugins/junitxml.py                     |  2 +-
 nose2/plugins/layers.py                       |  2 +-
 nose2/plugins/loader/discovery.py             |  2 +-
 nose2/plugins/loader/generators.py            |  2 +-
 nose2/plugins/loader/parameters.py            |  2 +-
 nose2/plugins/loader/testclasses.py           |  2 +-
 nose2/plugins/logcapture.py                   |  6 +-
 nose2/plugins/mp.py                           | 10 +--
 nose2/plugins/outcomes.py                     |  2 +-
 nose2/plugins/prettyassert.py                 |  2 +-
 nose2/plugins/prof.py                         |  2 +-
 nose2/plugins/result.py                       |  2 +-
 nose2/plugins/testid.py                       |  2 +-
 nose2/result.py                               |  2 +-
 nose2/runner.py                               |  2 +-
 nose2/session.py                              |  2 +-
 nose2/sphinxext.py                            |  6 +-
 nose2/suite.py                                |  2 +-
 nose2/tests/_common.py                        | 18 ++---
 .../tests/functional/support/lib/plugin_a.py  |  2 +-
 .../test_class_fail/test_class_fail.py        |  2 +-
 .../tests/functional/test_discovery_loader.py |  2 +-
 nose2/tests/functional/test_util.py           |  2 +-
 nose2/tests/unit/test_buffer_plugin.py        |  2 +-
 nose2/tests/unit/test_debugger_plugin.py      |  2 +-
 nose2/tests/unit/test_loader.py               |  2 +-
 nose2/tests/unit/test_logcapture_plugin.py    |  4 +-
 nose2/tests/unit/test_outcomes_plugin.py      |  2 +-
 nose2/tests/unit/test_printhooks_plugin.py    |  2 +-
 nose2/tests/unit/test_testclass_loader.py     |  2 +-
 nose2/tools/such.py                           |  6 +-
 nose2/util.py                                 |  2 +-
 pyproject.toml                                |  1 +
 42 files changed, 99 insertions(+), 98 deletions(-)

diff --git a/nose2/config.py b/nose2/config.py
index 8df02257..1b407e7e 100644
--- a/nose2/config.py
+++ b/nose2/config.py
@@ -11,7 +11,7 @@ class Config:
 
     """
 
-    def __init__(self, items):
+    def __init__(self, items) -> None:
         self._items = items
         self._mvd = {}
         for k, v in items:
diff --git a/nose2/events.py b/nose2/events.py
index 272880e4..06969709 100644
--- a/nose2/events.py
+++ b/nose2/events.py
@@ -224,7 +224,7 @@ class Hook:
 
     """
 
-    def __init__(self, method):
+    def __init__(self, method) -> None:
         self.method = method
         self.plugins = []
 
@@ -319,7 +319,7 @@ class PluginInterface:
     )
     hookClass: type[Hook] = Hook
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.hooks = {}
 
     def addMethod(self, method):
@@ -367,7 +367,7 @@ class Event:
     _attrs: t.ClassVar[tuple[str, ...]] = ("handled",)
     version = "0.4"
 
-    def __init__(self, **metadata):
+    def __init__(self, **metadata) -> None:
         self.handled = False
         self.metadata = {}
         self.metadata.update(metadata)
@@ -413,7 +413,7 @@ class PluginsLoadedEvent(Event):
 
     _attrs = Event._attrs + ("pluginsLoaded",)
 
-    def __init__(self, pluginsLoaded, **kw):
+    def __init__(self, pluginsLoaded, **kw) -> None:
         self.pluginsLoaded = pluginsLoaded
         super().__init__(**kw)
 
@@ -430,7 +430,7 @@ class RunnerCreatedEvent(Event):
 
     _attrs = Event._attrs + ("runner",)
 
-    def __init__(self, runner, **kw):
+    def __init__(self, runner, **kw) -> None:
         self.runner = runner
         super().__init__(**kw)
 
@@ -447,7 +447,7 @@ class ResultCreatedEvent(Event):
 
     _attrs = Event._attrs + ("result",)
 
-    def __init__(self, result, **kw):
+    def __init__(self, result, **kw) -> None:
         self.result = result
         super().__init__(**kw)
 
@@ -462,7 +462,7 @@ class StartLayerSetupEvent(Event):
 
     _attrs = Event._attrs + ("layer",)
 
-    def __init__(self, layer, **kw):
+    def __init__(self, layer, **kw) -> None:
         self.layer = layer
         super().__init__(**kw)
 
@@ -477,7 +477,7 @@ class StopLayerSetupEvent(Event):
 
     _attrs = Event._attrs + ("layer",)
 
-    def __init__(self, layer, **kw):
+    def __init__(self, layer, **kw) -> None:
         self.layer = layer
         super().__init__(**kw)
 
@@ -496,7 +496,7 @@ class StartLayerSetupTestEvent(Event):
 
     _attrs = Event._attrs + ("layer", "test")
 
-    def __init__(self, layer, test, **kw):
+    def __init__(self, layer, test, **kw) -> None:
         self.layer = layer
         self.test = test
         super().__init__(**kw)
@@ -516,7 +516,7 @@ class StopLayerSetupTestEvent(Event):
 
     _attrs = Event._attrs + ("layer", "test")
 
-    def __init__(self, layer, test, **kw):
+    def __init__(self, layer, test, **kw) -> None:
         self.layer = layer
         self.test = test
         super().__init__(**kw)
@@ -532,7 +532,7 @@ class StartLayerTeardownEvent(Event):
 
     _attrs = Event._attrs + ("layer",)
 
-    def __init__(self, layer, **kw):
+    def __init__(self, layer, **kw) -> None:
         self.layer = layer
         super().__init__(**kw)
 
@@ -547,7 +547,7 @@ class StopLayerTeardownEvent(Event):
 
     _attrs = Event._attrs + ("layer",)
 
-    def __init__(self, layer, **kw):
+    def __init__(self, layer, **kw) -> None:
         self.layer = layer
         super().__init__(**kw)
 
@@ -566,7 +566,7 @@ class StartLayerTeardownTestEvent(Event):
 
     _attrs = Event._attrs + ("layer", "test")
 
-    def __init__(self, layer, test, **kw):
+    def __init__(self, layer, test, **kw) -> None:
         self.layer = layer
         self.test = test
         super().__init__(**kw)
@@ -586,7 +586,7 @@ class StopLayerTeardownTestEvent(Event):
 
     _attrs = Event._attrs + ("layer", "test")
 
-    def __init__(self, layer, test, **kw):
+    def __init__(self, layer, test, **kw) -> None:
         self.layer = layer
         self.test = test
         super().__init__(**kw)
@@ -633,7 +633,7 @@ def execute(suite, result):
 
     _attrs = Event._attrs + ("runner", "suite", "result", "startTime", "executeTests")
 
-    def __init__(self, runner, suite, result, startTime, executeTests, **kw):
+    def __init__(self, runner, suite, result, startTime, executeTests, **kw) -> None:
         self.suite = suite
         self.runner = runner
         self.result = result
@@ -665,7 +665,7 @@ class StopTestRunEvent(Event):
 
     _attrs = Event._attrs + ("runner", "result", "stopTime", "timeTaken")
 
-    def __init__(self, runner, result, stopTime, timeTaken, **kw):
+    def __init__(self, runner, result, stopTime, timeTaken, **kw) -> None:
         self.runner = runner
         self.result = result
         self.stopTime = stopTime
@@ -692,7 +692,7 @@ class StartTestEvent(Event):
 
     _attrs = Event._attrs + ("test", "result", "startTime")
 
-    def __init__(self, test, result, startTime, **kw):
+    def __init__(self, test, result, startTime, **kw) -> None:
         self.test = test
         self.result = result
         self.startTime = startTime
@@ -718,7 +718,7 @@ class StopTestEvent(Event):
 
     _attrs = Event._attrs + ("test", "result", "stopTime")
 
-    def __init__(self, test, result, stopTime, **kw):
+    def __init__(self, test, result, stopTime, **kw) -> None:
         self.test = test
         self.result = result
         self.stopTime = stopTime
@@ -799,7 +799,7 @@ def __init__(
         shortLabel=None,
         longLabel=None,
         **kw,
-    ):
+    ) -> None:
         self.test = test
         self.result = result
         self.outcome = outcome
@@ -837,7 +837,7 @@ class LoadFromModuleEvent(Event):
 
     _attrs = Event._attrs + ("loader", "module", "extraTests")
 
-    def __init__(self, loader, module, **kw):
+    def __init__(self, loader, module, **kw) -> None:
         self.loader = loader
         self.module = module
         self.extraTests = []
@@ -847,7 +847,7 @@ def __init__(self, loader, module, **kw):
 class ModuleSuiteEvent(Event):
     _attrs = Event._attrs + ("loader", "module", "suite")
 
-    def __init__(self, loader, module, suite, **kw):
+    def __init__(self, loader, module, suite, **kw) -> None:
         self.loader = loader
         self.module = module
         self.suite = suite
@@ -880,7 +880,7 @@ class LoadFromTestCaseEvent(Event):
 
     _attrs = Event._attrs + ("loader", "testCase", "extraTests")
 
-    def __init__(self, loader, testCase, **kw):
+    def __init__(self, loader, testCase, **kw) -> None:
         self.loader = loader
         self.testCase = testCase
         self.extraTests = []
@@ -918,7 +918,7 @@ class LoadFromNamesEvent(Event):
 
     _attrs = Event._attrs + ("loader", "names", "module", "extraTests")
 
-    def __init__(self, loader, names, module, **kw):
+    def __init__(self, loader, names, module, **kw) -> None:
         self.loader = loader
         self.names = names
         self.module = module
@@ -960,7 +960,7 @@ class LoadFromNameEvent(Event):
 
     _attrs = Event._attrs + ("loader", "name", "module", "extraTests")
 
-    def __init__(self, loader, name, module, **kw):
+    def __init__(self, loader, name, module, **kw) -> None:
         self.loader = loader
         self.name = name
         self.module = module
@@ -1012,7 +1012,7 @@ class HandleFileEvent(Event):
 
     _attrs = Event._attrs + ("loader", "name", "path", "pattern", "topLevelDirectory")
 
-    def __init__(self, loader, name, path, pattern, topLevelDirectory, **kw):
+    def __init__(self, loader, name, path, pattern, topLevelDirectory, **kw) -> None:
         self.extraTests = []
         self.path = path
         self.loader = loader
@@ -1046,7 +1046,7 @@ class MatchPathEvent(Event):
 
     _attrs = Event._attrs + ("name", "path", "pattern")
 
-    def __init__(self, name, path, pattern, **kw):
+    def __init__(self, name, path, pattern, **kw) -> None:
         self.path = path
         self.name = name
         self.pattern = pattern
@@ -1101,7 +1101,7 @@ class GetTestCaseNamesEvent(Event):
         "isTestMethod",
     )
 
-    def __init__(self, loader, testCase, isTestMethod, **kw):
+    def __init__(self, loader, testCase, isTestMethod, **kw) -> None:
         self.loader = loader
         self.testCase = testCase
         self.testMethodPrefix = None
@@ -1134,7 +1134,7 @@ class ResultSuccessEvent(Event):
 
     _attrs = Event._attrs + ("result", "success")
 
-    def __init__(self, result, success, **kw):
+    def __init__(self, result, success, **kw) -> None:
         self.result = result
         self.success = success
         super().__init__(**kw)
@@ -1158,7 +1158,7 @@ class ResultStopEvent(Event):
 
     _attrs = Event._attrs + ("result", "shouldStop")
 
-    def __init__(self, result, shouldStop, **kw):
+    def __init__(self, result, shouldStop, **kw) -> None:
         self.result = result
         self.shouldStop = shouldStop
         super().__init__(**kw)
@@ -1185,7 +1185,7 @@ class DescribeTestEvent(Event):
 
     _attrs = Event._attrs + ("test", "description")
 
-    def __init__(self, test, description=None, errorList=False, **kw):
+    def __init__(self, test, description=None, errorList=False, **kw) -> None:
         self.test = test
         self.description = description
         self.errorList = errorList
@@ -1210,7 +1210,7 @@ class OutcomeDetailEvent(Event):
 
     _attrs = Event._attrs + ("outcomeEvent", "extraDetail")
 
-    def __init__(self, outcomeEvent, **kw):
+    def __init__(self, outcomeEvent, **kw) -> None:
         self.outcomeEvent = outcomeEvent
         self.extraDetail = []
         super().__init__(**kw)
@@ -1239,7 +1239,7 @@ class ReportSummaryEvent(Event):
 
     _attrs = Event._attrs + ("stopTestEvent", "stream", "reportCategories")
 
-    def __init__(self, stopTestEvent, stream, reportCategories, **kw):
+    def __init__(self, stopTestEvent, stream, reportCategories, **kw) -> None:
         self.stopTestEvent = stopTestEvent
         self.stream = stream
         self.reportCategories = reportCategories
@@ -1266,7 +1266,7 @@ class ReportTestEvent(Event):
 
     _attrs = Event._attrs + ("testEvent", "stream")
 
-    def __init__(self, testEvent, stream, **kw):
+    def __init__(self, testEvent, stream, **kw) -> None:
         self.testEvent = testEvent
         self.stream = stream
         super().__init__(**kw)
@@ -1284,7 +1284,7 @@ class UserInteractionEvent(Event):
 
     """
 
-    def __init__(self, **kw):
+    def __init__(self, **kw) -> None:
         super().__init__(**kw)
 
 
@@ -1308,7 +1308,7 @@ class CommandLineArgsEvent(Event):
 
     _attrs = Event._attrs + ("args",)
 
-    def __init__(self, args, **kw):
+    def __init__(self, args, **kw) -> None:
         self.args = args
         super().__init__(**kw)
 
@@ -1336,7 +1336,7 @@ class CreateTestsEvent(Event):
 
     _attrs = Event._attrs + ("loader", "testNames", "module")
 
-    def __init__(self, loader, testNames, module, **kw):
+    def __init__(self, loader, testNames, module, **kw) -> None:
         self.loader = loader
         self.testNames = testNames
         self.module = module
@@ -1357,6 +1357,6 @@ class CreatedTestSuiteEvent(Event):
 
     _attrs = Event._attrs + ("suite",)
 
-    def __init__(self, suite, **kw):
+    def __init__(self, suite, **kw) -> None:
         self.suite = suite
         super().__init__(**kw)
diff --git a/nose2/loader.py b/nose2/loader.py
index c41464fc..460464a3 100644
--- a/nose2/loader.py
+++ b/nose2/loader.py
@@ -27,7 +27,7 @@ class PluggableTestLoader:
 
     suiteClass = unittest.TestSuite
 
-    def __init__(self, session):
+    def __init__(self, session) -> None:
         self.session = session
 
     def loadTestsFromModule(self, module):
diff --git a/nose2/main.py b/nose2/main.py
index 08b3cedb..dbb834fa 100644
--- a/nose2/main.py
+++ b/nose2/main.py
@@ -75,7 +75,7 @@ class PluggableTestProgram(unittest.TestProgram):
     excludePlugins = ()
 
     # XXX override __init__ to warn that testLoader and testRunner are ignored?
-    def __init__(self, **kw):
+    def __init__(self, **kw) -> None:
         plugins = kw.pop("plugins", [])
         exclude = kw.pop("excludePlugins", [])
         hooks = kw.pop("extraHooks", [])
diff --git a/nose2/plugins/attrib.py b/nose2/plugins/attrib.py
index c117da92..caca3125 100644
--- a/nose2/plugins/attrib.py
+++ b/nose2/plugins/attrib.py
@@ -10,7 +10,7 @@
 class AttributeSelector(Plugin):
     """Filter tests by attribute"""
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.attribs = []
         self.eval_attribs = []
         self.addArgument(
@@ -154,7 +154,7 @@ def _get_attr(test, key):
 
 
 class ContextHelper:
-    def __init__(self, obj):
+    def __init__(self, obj) -> None:
         self.obj = obj
 
     def __getitem__(self, name):
diff --git a/nose2/plugins/buffer.py b/nose2/plugins/buffer.py
index a49585e9..bf397314 100644
--- a/nose2/plugins/buffer.py
+++ b/nose2/plugins/buffer.py
@@ -24,7 +24,7 @@
 
 
 class _Buffer:
-    def __init__(self, stream):
+    def __init__(self, stream) -> None:
         self._stream = stream
         self._buffer = io.StringIO()
 
@@ -56,7 +56,7 @@ class OutputBufferPlugin(events.Plugin):
     commandLineSwitch = ("B", "output-buffer", "Enable output buffer")
     configSection = "output-buffer"
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.captureStdout = self.config.as_bool("stdout", default=True)
         self.captureStderr = self.config.as_bool("stderr", default=False)
         self.bufStdout = self.bufStderr = None
diff --git a/nose2/plugins/coverage.py b/nose2/plugins/coverage.py
index 77dba825..1a057c9d 100644
--- a/nose2/plugins/coverage.py
+++ b/nose2/plugins/coverage.py
@@ -43,7 +43,7 @@ class Coverage(Plugin):
     _mpmode = False
     _subprocess = False
 
-    def __init__(self):
+    def __init__(self) -> None:
         """Get our config and add our command line arguments."""
         # tracking var for any decision which marks the entire run as failed
         self.decided_failure = False
diff --git a/nose2/plugins/debugger.py b/nose2/plugins/debugger.py
index c2a782e5..991649cf 100644
--- a/nose2/plugins/debugger.py
+++ b/nose2/plugins/debugger.py
@@ -35,7 +35,7 @@ class Debugger(events.Plugin):
     # allow easy mocking and replacement of pdb
     pdb = pdb
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.errorsOnly = self.config.as_bool("errors-only", default=False)
 
     def testOutcome(self, event):
diff --git a/nose2/plugins/doctests.py b/nose2/plugins/doctests.py
index d644b07a..598133ae 100644
--- a/nose2/plugins/doctests.py
+++ b/nose2/plugins/doctests.py
@@ -30,7 +30,7 @@ class DocTestLoader(Plugin):
         "Load doctests from text files and modules",
     )
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.extensions = self.config.as_list("extensions", [".txt", ".rst"])
 
     def handleFile(self, event):
diff --git a/nose2/plugins/junitxml.py b/nose2/plugins/junitxml.py
index bd3bbc19..dde98276 100644
--- a/nose2/plugins/junitxml.py
+++ b/nose2/plugins/junitxml.py
@@ -102,7 +102,7 @@ class JUnitXmlReporter(events.Plugin):
     configSection = "junit-xml"
     commandLineSwitch = ("X", "junit-xml", "Generate junit-xml output report")
 
-    def __init__(self):
+    def __init__(self) -> None:
         # Read argument from configuration file, or filled with default
         self.path = os.path.realpath(
             self.config.as_str("path", default="nose2-junit.xml")
diff --git a/nose2/plugins/layers.py b/nose2/plugins/layers.py
index 190b30ea..4166bc99 100644
--- a/nose2/plugins/layers.py
+++ b/nose2/plugins/layers.py
@@ -198,7 +198,7 @@ class LayerReporter(events.Plugin):
     )
     configSection = "layer-reporter"
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.indent = self.config.as_str("indent", "  ")
         self.colors = self.config.as_bool("colors", False)
         self.highlight_words = self.config.as_list(
diff --git a/nose2/plugins/loader/discovery.py b/nose2/plugins/loader/discovery.py
index 24654ae8..ed2610a0 100644
--- a/nose2/plugins/loader/discovery.py
+++ b/nose2/plugins/loader/discovery.py
@@ -31,7 +31,7 @@
 
 
 class DirectoryHandler:
-    def __init__(self, session):
+    def __init__(self, session) -> None:
         self.session = session
         self.event_handled = False
 
diff --git a/nose2/plugins/loader/generators.py b/nose2/plugins/loader/generators.py
index a367ec48..c38c69f2 100644
--- a/nose2/plugins/loader/generators.py
+++ b/nose2/plugins/loader/generators.py
@@ -228,7 +228,7 @@ def createTest(name):
 
 
 class GeneratorFunctionCase(unittest.FunctionTestCase):
-    def __init__(self, name, **args):
+    def __init__(self, name, **args) -> None:
         self._funcName = name
         unittest.FunctionTestCase.__init__(self, None, **args)
 
diff --git a/nose2/plugins/loader/parameters.py b/nose2/plugins/loader/parameters.py
index 4797faff..2e1ea4a1 100644
--- a/nose2/plugins/loader/parameters.py
+++ b/nose2/plugins/loader/parameters.py
@@ -56,7 +56,7 @@ def testExtraArg(case, bar, foo):
 
 
 class ParamsFunctionCase(unittest.FunctionTestCase):
-    def __init__(self, name, func, **args):
+    def __init__(self, name, func, **args) -> None:
         self._funcName = name
         unittest.FunctionTestCase.__init__(self, func, **args)
 
diff --git a/nose2/plugins/loader/testclasses.py b/nose2/plugins/loader/testclasses.py
index 3e98674e..49226863 100644
--- a/nose2/plugins/loader/testclasses.py
+++ b/nose2/plugins/loader/testclasses.py
@@ -194,7 +194,7 @@ def isTestMethod(attrname, cls=cls, excluded=excluded):
 # hide it inside of a factory func. ugly!
 def MethodTestCase(cls):
     class _MethodTestCase(unittest.TestCase):
-        def __init__(self, method):
+        def __init__(self, method) -> None:
             self.method = method
             self._name = f"{cls.__module__}.{cls.__name__}.{method}"
             self.obj = cls()
diff --git a/nose2/plugins/logcapture.py b/nose2/plugins/logcapture.py
index b019b058..8273021c 100644
--- a/nose2/plugins/logcapture.py
+++ b/nose2/plugins/logcapture.py
@@ -31,7 +31,7 @@ class LogCapture(Plugin):
     clear = False
     filters = ["-nose"]
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.logformat = self.config.as_str("format", self.logformat)
         self.logdatefmt = self.config.as_str("date-format", self.logdatefmt)
         self.filters = self.config.as_list("filter", self.filters)
@@ -104,7 +104,7 @@ def _addCapturedLogs(self, event):
 
 
 class FilterSet:
-    def __init__(self, filter_components):
+    def __init__(self, filter_components) -> None:
         self.inclusive, self.exclusive = self._partition(filter_components)
 
     @staticmethod
@@ -146,7 +146,7 @@ def _deny(self, record):
 
 
 class MyMemoryHandler(BufferingHandler):
-    def __init__(self, capacity, logformat, logdatefmt, filters):
+    def __init__(self, capacity, logformat, logdatefmt, filters) -> None:
         BufferingHandler.__init__(self, capacity)
         fmt = logging.Formatter(logformat, logdatefmt)
         self.setFormatter(fmt)
diff --git a/nose2/plugins/mp.py b/nose2/plugins/mp.py
index f80b3930..0d02a40b 100644
--- a/nose2/plugins/mp.py
+++ b/nose2/plugins/mp.py
@@ -15,7 +15,7 @@
 class MultiProcess(events.Plugin):
     configSection = "multiprocess"
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.addArgument(
             self.setProcs,
             "N",
@@ -433,7 +433,7 @@ def execute(suite, result):
 
     """
 
-    def __init__(self, loader, result, runner, plugins, connection, **metadata):
+    def __init__(self, loader, result, runner, plugins, connection, **metadata) -> None:
         self.loader = loader
         self.result = result
         self.runner = runner
@@ -457,14 +457,14 @@ def registerInSubprocess(self, event):
 
     """
 
-    def __init__(self, **metadata):
+    def __init__(self, **metadata) -> None:
         self.pluginClasses = []
         super().__init__(**metadata)
 
 
 # custom hook system that records calls and events
 class RecordingHook(events.Hook):
-    def __init__(self, method, interface):
+    def __init__(self, method, interface) -> None:
         super().__init__(method)
         self.interface = interface
 
@@ -485,7 +485,7 @@ class RecordingPluginInterface(events.PluginInterface):
         "getTestMethodNames",
     }
 
-    def __init__(self):
+    def __init__(self) -> None:
         super().__init__()
         self.events = []
 
diff --git a/nose2/plugins/outcomes.py b/nose2/plugins/outcomes.py
index 0a6dc89d..672d9751 100644
--- a/nose2/plugins/outcomes.py
+++ b/nose2/plugins/outcomes.py
@@ -33,7 +33,7 @@ class Outcomes(Plugin):
         "Treat some configured exceptions as failure or skips",
     )
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.treatAsFail = set(self.config.as_list("treat-as-fail", []))
         self.treatAsSkip = set(self.config.as_list("treat-as-skip", []))
 
diff --git a/nose2/plugins/prettyassert.py b/nose2/plugins/prettyassert.py
index d923f6ca..573e208c 100644
--- a/nose2/plugins/prettyassert.py
+++ b/nose2/plugins/prettyassert.py
@@ -245,7 +245,7 @@ def _tokenize_assert(source_lines, frame_locals, frame_globals):
 
 
 class TokenProcessor:
-    def __init__(self, frame_locals, frame_globals):
+    def __init__(self, frame_locals, frame_globals) -> None:
         # local and global variables from the frame which we're inspecting
         self.frame_locals, self.frame_globals = frame_locals, frame_globals
 
diff --git a/nose2/plugins/prof.py b/nose2/plugins/prof.py
index 4114cfe2..f8a5197d 100644
--- a/nose2/plugins/prof.py
+++ b/nose2/plugins/prof.py
@@ -32,7 +32,7 @@ class Profiler(events.Plugin):
     configSection = "profiler"
     commandLineSwitch = ("P", "profile", "Run tests under profiler")
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.pfile = self.config.as_str("filename", "")
         self.sort = self.config.as_str("sort", "cumulative")
         self.restrict = self.config.as_list("restrict", [])
diff --git a/nose2/plugins/result.py b/nose2/plugins/result.py
index e13282d7..cab62d73 100644
--- a/nose2/plugins/result.py
+++ b/nose2/plugins/result.py
@@ -42,7 +42,7 @@ class ResultReporter(events.Plugin):
     separator1 = "=" * 70
     separator2 = "-" * 70
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.testsRun = 0
         self.reportCategories = {
             "failures": [],
diff --git a/nose2/plugins/testid.py b/nose2/plugins/testid.py
index 646bcb25..2655b3c8 100644
--- a/nose2/plugins/testid.py
+++ b/nose2/plugins/testid.py
@@ -28,7 +28,7 @@ class TestId(Plugin):
     commandLineSwitch = ("I", "with-id", "Add test ids to output")
     idpat = re.compile(r"(\d+)")
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.idfile = self.config.as_str("id-file", ".noseids")
         self.ids = {}
         self.tests = {}
diff --git a/nose2/result.py b/nose2/result.py
index 4fd5e73d..1baf5423 100644
--- a/nose2/result.py
+++ b/nose2/result.py
@@ -25,7 +25,7 @@ class PluggableTestResult:
 
     """
 
-    def __init__(self, session):
+    def __init__(self, session) -> None:
         self.session = session
         self.shouldStop = False
         # XXX TestCase.subTest expects a result.failfast attribute
diff --git a/nose2/runner.py b/nose2/runner.py
index 4790e897..532895b8 100644
--- a/nose2/runner.py
+++ b/nose2/runner.py
@@ -24,7 +24,7 @@ class PluggableTestRunner:
 
     resultClass = result.PluggableTestResult
 
-    def __init__(self, session):
+    def __init__(self, session) -> None:
         self.session = session
 
     def run(self, test):
diff --git a/nose2/session.py b/nose2/session.py
index d6e527eb..408b5c61 100644
--- a/nose2/session.py
+++ b/nose2/session.py
@@ -73,7 +73,7 @@ class Session:
 
     configClass = config.Config
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.argparse = argparse.ArgumentParser(prog="nose2", add_help=False)
         self.pluginargs = self.argparse.add_argument_group(
             "plugin arguments", "Command-line arguments added by plugins:"
diff --git a/nose2/sphinxext.py b/nose2/sphinxext.py
index 4888fb66..26c83510 100644
--- a/nose2/sphinxext.py
+++ b/nose2/sphinxext.py
@@ -172,7 +172,7 @@ def setup(app):
 
 
 class ConfigBucket:
-    def __init__(self):
+    def __init__(self) -> None:
         self.section = None
         self.vars = {}
 
@@ -218,7 +218,7 @@ def get(self, item, default=DEFAULT):
 
 
 class OptBucket:
-    def __init__(self, doc=None, prog="nosetests"):
+    def __init__(self, doc=None, prog="nosetests") -> None:
         self.seen = set()
         self.opts = []
         self.doc = doc
@@ -245,7 +245,7 @@ def __call__(self, callback, opt=None, longOpt=None, help=None):
 
 
 class Opt:
-    def __init__(self, *arg, **kw):
+    def __init__(self, *arg, **kw) -> None:
         self.opts = arg
         self.action = kw.pop("action", None)
         self.default = kw.pop("default", None)
diff --git a/nose2/suite.py b/nose2/suite.py
index 034c27e0..be04ef55 100644
--- a/nose2/suite.py
+++ b/nose2/suite.py
@@ -14,7 +14,7 @@
 
 
 class LayerSuite(unittest.BaseTestSuite):
-    def __init__(self, session, tests=(), layer=None):
+    def __init__(self, session, tests=(), layer=None) -> None:
         super().__init__(tests)
         self.layer = layer
         self.wasSetup = False
diff --git a/nose2/tests/_common.py b/nose2/tests/_common.py
index c7b1f6ae..5cd40d7c 100644
--- a/nose2/tests/_common.py
+++ b/nose2/tests/_common.py
@@ -104,7 +104,7 @@ def runModuleAsMain(self, testmodule, *args):
 class _FakeEventBase:
     """Baseclass for fake :class:`~nose2.events.Event`s."""
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.handled = False
         self.version = "0.1"
         self.metadata = {}
@@ -113,7 +113,7 @@ def __init__(self):
 class FakeHandleFileEvent(_FakeEventBase):
     """Fake HandleFileEvent."""
 
-    def __init__(self, name):
+    def __init__(self, name) -> None:
         super().__init__()
 
         self.loader = Stub()  # FIXME
@@ -125,7 +125,7 @@ def __init__(self, name):
 class FakeStartTestEvent(_FakeEventBase):
     """Fake :class:`~nose2.events.StartTestEvent`."""
 
-    def __init__(self, test):
+    def __init__(self, test) -> None:
         super().__init__()
         self.test = test
         self.result = test.defaultTestResult()
@@ -137,7 +137,7 @@ def __init__(self, test):
 class FakeLoadFromNameEvent(_FakeEventBase):
     """Fake :class:`~nose2.events.LoadFromNameEvent`."""
 
-    def __init__(self, name):
+    def __init__(self, name) -> None:
         super().__init__()
         self.name = name
 
@@ -145,7 +145,7 @@ def __init__(self, name):
 class FakeLoadFromNamesEvent(_FakeEventBase):
     """Fake :class:`~nose2.events.LoadFromNamesEvent`."""
 
-    def __init__(self, names):
+    def __init__(self, names) -> None:
         super().__init__()
         self.names = names
 
@@ -155,7 +155,7 @@ class FakeStartTestRunEvent(_FakeEventBase):
 
     def __init__(
         self, runner=None, suite=None, result=None, startTime=None, executeTests=None
-    ):
+    ) -> None:
         super().__init__()
         self.suite = suite
         self.runner = runner
@@ -197,7 +197,7 @@ def run_module_as_main(test_module, *args):
 
 
 class NotReallyAProc:
-    def __init__(self, args, cwd=None, **kwargs):
+    def __init__(self, args, cwd=None, **kwargs) -> None:
         self.args = args
         self.chdir = cwd
         self.kwargs = kwargs
@@ -249,7 +249,7 @@ class RedirectStdStreams:
     buffers.
     """
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.stdout = io.StringIO()
         self.stderr = io.StringIO()
 
@@ -269,7 +269,7 @@ def __exit__(self, exc_type, exc_value, traceback):
 
 # mock multiprocessing Connection
 class Conn:
-    def __init__(self, items):
+    def __init__(self, items) -> None:
         self.items = items
         self.sent = []
         self.closed = False
diff --git a/nose2/tests/functional/support/lib/plugin_a.py b/nose2/tests/functional/support/lib/plugin_a.py
index f12cbc97..07a9d2a7 100644
--- a/nose2/tests/functional/support/lib/plugin_a.py
+++ b/nose2/tests/functional/support/lib/plugin_a.py
@@ -4,5 +4,5 @@
 class PluginA(events.Plugin):
     configSection = "a"
 
-    def __init__(self):
+    def __init__(self) -> None:
         self.a = self.config.as_int("a", 0)
diff --git a/nose2/tests/functional/support/scenario/test_class_fail/test_class_fail.py b/nose2/tests/functional/support/scenario/test_class_fail/test_class_fail.py
index 95ec817a..4109eb43 100644
--- a/nose2/tests/functional/support/scenario/test_class_fail/test_class_fail.py
+++ b/nose2/tests/functional/support/scenario/test_class_fail/test_class_fail.py
@@ -1,5 +1,5 @@
 class Test:
-    def __init__(self):
+    def __init__(self) -> None:
         raise RuntimeError(
             "Something bad happened but other tests should still be run!"
         )
diff --git a/nose2/tests/functional/test_discovery_loader.py b/nose2/tests/functional/test_discovery_loader.py
index cc56abb5..87bf2844 100644
--- a/nose2/tests/functional/test_discovery_loader.py
+++ b/nose2/tests/functional/test_discovery_loader.py
@@ -4,7 +4,7 @@
 
 
 class Watcher(events.Plugin):
-    def __init__(self):
+    def __init__(self) -> None:
         self.called = []
 
     def loadTestsFromModule(self, event):
diff --git a/nose2/tests/functional/test_util.py b/nose2/tests/functional/test_util.py
index f412c59d..1f29d9eb 100644
--- a/nose2/tests/functional/test_util.py
+++ b/nose2/tests/functional/test_util.py
@@ -13,7 +13,7 @@ def test_name_from_path(self):
 
     def test_non_ascii_output(self):
         class D:
-            def __init__(self):
+            def __init__(self) -> None:
                 self.out = []
 
             def write(self, arg):
diff --git a/nose2/tests/unit/test_buffer_plugin.py b/nose2/tests/unit/test_buffer_plugin.py
index 21709ec0..a8d432e8 100644
--- a/nose2/tests/unit/test_buffer_plugin.py
+++ b/nose2/tests/unit/test_buffer_plugin.py
@@ -36,7 +36,7 @@ def test_mixed_unicode_and_nonascii_str(self):
         self.case = Test
 
         class Watcher(events.Plugin):
-            def __init__(self):
+            def __init__(self) -> None:
                 self.events = []
 
             def testOutcome(self, event):
diff --git a/nose2/tests/unit/test_debugger_plugin.py b/nose2/tests/unit/test_debugger_plugin.py
index 578956c1..c412d68e 100644
--- a/nose2/tests/unit/test_debugger_plugin.py
+++ b/nose2/tests/unit/test_debugger_plugin.py
@@ -11,7 +11,7 @@ def emit(self, record):
 
 
 class StubPdb:
-    def __init__(self):
+    def __init__(self) -> None:
         self.called = False
         self.tb = None
 
diff --git a/nose2/tests/unit/test_loader.py b/nose2/tests/unit/test_loader.py
index e1ed3665..b7af5921 100644
--- a/nose2/tests/unit/test_loader.py
+++ b/nose2/tests/unit/test_loader.py
@@ -76,7 +76,7 @@ def test_loader_from_names_calls_names_hook(self):
 
 
 class FakePlugin:
-    def __init__(self):
+    def __init__(self) -> None:
         self.fakeLoadFromModule = False
         self.fakeLoadFromName = False
         self.fakeLoadFromNames = False
diff --git a/nose2/tests/unit/test_logcapture_plugin.py b/nose2/tests/unit/test_logcapture_plugin.py
index 56346d18..8daea9d9 100644
--- a/nose2/tests/unit/test_logcapture_plugin.py
+++ b/nose2/tests/unit/test_logcapture_plugin.py
@@ -8,7 +8,7 @@
 
 
 class StubLogging:
-    def __init__(self, name=None):
+    def __init__(self, name=None) -> None:
         self.name = name
         self.handlers = []
         self.level = None
@@ -29,7 +29,7 @@ def debug(self, message, *arg):
 
 
 class StubRecord:
-    def __init__(self, message):
+    def __init__(self, message) -> None:
         self.message = message
         self.name = "stub"
         self.levelname = "stub"
diff --git a/nose2/tests/unit/test_outcomes_plugin.py b/nose2/tests/unit/test_outcomes_plugin.py
index 21497773..d6bd6295 100644
--- a/nose2/tests/unit/test_outcomes_plugin.py
+++ b/nose2/tests/unit/test_outcomes_plugin.py
@@ -25,7 +25,7 @@ def test_e3(self):
         self.case = Test
 
         class Watcher(events.Plugin):
-            def __init__(self):
+            def __init__(self) -> None:
                 self.outcomes = {}
 
             def testOutcome(self, event):
diff --git a/nose2/tests/unit/test_printhooks_plugin.py b/nose2/tests/unit/test_printhooks_plugin.py
index 5af053a8..130224c2 100644
--- a/nose2/tests/unit/test_printhooks_plugin.py
+++ b/nose2/tests/unit/test_printhooks_plugin.py
@@ -9,7 +9,7 @@
 class CustomEvent(events.Event):
     _attrs = events.Event._attrs + ("args",)
 
-    def __init__(self, args, **kw):
+    def __init__(self, args, **kw) -> None:
         self.args = args
         super().__init__(**kw)
 
diff --git a/nose2/tests/unit/test_testclass_loader.py b/nose2/tests/unit/test_testclass_loader.py
index ae1b58d5..328672c3 100644
--- a/nose2/tests/unit/test_testclass_loader.py
+++ b/nose2/tests/unit/test_testclass_loader.py
@@ -88,7 +88,7 @@ class Mod:
         self.module = Mod()
 
         class TestA:
-            def __init__(self):
+            def __init__(self) -> None:
                 raise RuntimeError("Something bad happened!")
 
             def test(self):
diff --git a/nose2/tools/such.py b/nose2/tools/such.py
index 0bbfffad..731a9e94 100644
--- a/nose2/tools/such.py
+++ b/nose2/tools/such.py
@@ -49,7 +49,7 @@ class Scenario:
 
     _helper = helper
 
-    def __init__(self, description):
+    def __init__(self, description) -> None:
         self._group = Group("A %s" % description, 0)
 
     @contextmanager
@@ -340,7 +340,7 @@ def tearDown(cls):
 class Group:
     """A group of tests, with common fixtures and description"""
 
-    def __init__(self, description, indent=0, parent=None, base_layer=None):
+    def __init__(self, description, indent=0, parent=None, base_layer=None) -> None:
         self.description = description
         self.indent = indent
         self.parent = parent
@@ -391,7 +391,7 @@ class Case:
 
     _helper = helper
 
-    def __init__(self, group, func, description):
+    def __init__(self, group, func, description) -> None:
         self.group = group
         self.func = func
         self.description = description
diff --git a/nose2/util.py b/nose2/util.py
index 88af2e6e..e29b2259 100644
--- a/nose2/util.py
+++ b/nose2/util.py
@@ -330,7 +330,7 @@ def _count_relevant_tb_levels(tb):
 class _WritelnDecorator:
     """Used to decorate file-like objects with a handy :func:`writeln` method"""
 
-    def __init__(self, stream):
+    def __init__(self, stream) -> None:
         self.stream = stream
 
     def __getattr__(self, attr):
diff --git a/pyproject.toml b/pyproject.toml
index a8be6d61..963b8fa1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,6 +31,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy",
   "Topic :: Software Development :: Libraries",