Update to pytest >= 5.0

setup.py

@@ -128,7 +128,7 @@ def changelog():
     package_dir={'pybinding.tests': 'tests'},
     include_package_data=True,
     ext_modules=[CMakeExtension('_pybinding')],
-    install_requires=['numpy>=1.12', 'scipy>=0.19', 'matplotlib>=2.0', 'pytest>=3.0'],
+    install_requires=['numpy>=1.12', 'scipy>=0.19', 'matplotlib>=2.0', 'pytest>=5.0'],
     zip_safe=False,
     cmdclass=dict(build_ext=CMakeBuild)
 )

tests/conftest.py

@@ -13,8 +13,8 @@
 from .utils.fuzzy_equal import FuzzyEqual
 
 
-def pytest_namespace():
-    return {'fuzzy_equal': FuzzyEqual}
+def pytest_configure():
+    pytest.fuzzy_equal = FuzzyEqual
 
 
 def pytest_addoption(parser):

tests/local.cfg

@@ -1,5 +1,5 @@
 ;config for pb.tests() function only - not to be used with external py.test runs
-[pytest]
+[tool:pytest]
 addopts = --doctest-modules --readonly
 minversion = 3.0
 filterwarnings = ignore::ImportWarning

tests/test_leads.py

@@ -16,7 +16,6 @@ def contains(x, y, _):
     return pb.Model(graphene.monolayer(), ring(3, 5))
 
 
-@pytest.fixture
 def square_model(width=2, height=3):
     def square_lattice(d=1, t=1):
         lat = pb.Lattice(a1=[d, 0], a2=[0, d])