Issue #14080: fix sporadic test_imp failure. Patch by Stefan Krah.
diff --git a/Lib/test/test_imp.py b/Lib/test/test_imp.py
index 4d690e8..d60e2fc 100644
--- a/Lib/test/test_imp.py
+++ b/Lib/test/test_imp.py
@@ -325,6 +325,7 @@
self.addCleanup(cleanup)
# Touch the __init__.py file.
support.create_empty_file('pep3147/__init__.py')
+ importlib.invalidate_caches()
expected___file__ = os.sep.join(('.', 'pep3147', '__init__.py'))
m = __import__('pep3147')
self.assertEqual(m.__file__, expected___file__, (m.__file__, m.__path__))