regrtest: Fix module.__path__
Issue #26538: libregrtest: Fix setup_tests() to keep module.__path__ type
(_NamespacePath), don't convert to a list.
Add _NamespacePath.__setitem__() method to importlib._bootstrap_external.
diff --git a/Lib/test/libregrtest/setup.py b/Lib/test/libregrtest/setup.py
index 6e05c7e..de52bb5 100644
--- a/Lib/test/libregrtest/setup.py
+++ b/Lib/test/libregrtest/setup.py
@@ -41,8 +41,8 @@
# the packages to prevent later imports to fail when the CWD is different.
for module in sys.modules.values():
if hasattr(module, '__path__'):
- module.__path__ = [os.path.abspath(path)
- for path in module.__path__]
+ for index, path in enumerate(module.__path__):
+ module.__path__[index] = os.path.abspath(path)
if hasattr(module, '__file__'):
module.__file__ = os.path.abspath(module.__file__)