pythongh-95971: Turn @writes_bytecode_files to skip when not running (pythonGH-95972)

youknowone · miss-islington · commit 0b292a3add12 · 2022-10-15T14:57:14.000Z
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com> (cherry picked from commit 07b5c46) Co-authored-by: Jeong YunWon <69878+youknowone@users.noreply.github.com>
diff --git a/Lib/test/test_importlib/util.py b/Lib/test/test_importlib/util.py
@@ -298,7 +298,7 @@ def writes_bytecode_files(fxn):
     """Decorator to protect sys.dont_write_bytecode from mutation and to skip
     tests that require it to be set to False."""
     if sys.dont_write_bytecode:
-        return lambda *args, **kwargs: None
+        return unittest.skip("relies on writing bytecode")(fxn)
     @functools.wraps(fxn)
     def wrapper(*args, **kwargs):
         original = sys.dont_write_bytecode
