simplify

radiasoft · Mar 28, 2024 · 5dd63f1 · 5dd63f1
1 parent b82970d
commit 5dd63f1
Showing 1 changed file with 10 additions and 13 deletions.
diff --git a/pykern/pkcli/test.py b/pykern/pkcli/test.py
@@ -180,19 +180,16 @@ def _fail(output):
         def _ignore_warnings():
             if not _cfg.ignore_warnings:
                 return []
-            return list(
-                # This undoes what pytest does
-                itertools.chain.from_iterable(
-                    ("-W", f"ignore::{w}")
-                    for w in (
-                        # https://docs.python.org/3/library/warnings.html#default-warning-filter
-                        "DeprecationWarning",
-                        "PendingDeprecationWarning",
-                        "ImportWarning",
-                        "ResourceWarning",
-                    )
-                ),
-            )
+            rv = []
+            for w in (
+                # https://docs.python.org/3/library/warnings.html#default-warning-filter
+                "DeprecationWarning",
+                "PendingDeprecationWarning",
+                "ImportWarning",
+                "ResourceWarning",
+            ):
+                rv.extend(("-W", f"ignore::{w}"))
+            return rv
 
         def _try(output, restartable):
             sys.stdout.write(test_f)