test_reset_internal_locks was looking at Event's _cond._lock. This
makes it harder to change internals of the Condition object and
makes the test fragile.

The test was added by Nir Soffer in 6108d30dde21.

Patch by Nir Soffer.

test_reset_internal_locks was looking at Event's _cond._lock. This
makes it harder to change internals of the Condition object and
makes the test fragile.

The test was added by Nir Soffer in 6108d30dde21.

Patch by Nir Soffer.

Initial patch by Felix Kaiser.

itemgetter, attrgetter and methodcaller objects.

itemgetter, attrgetter and methodcaller objects.

Patch by Xiang Zhang.

for passing to open.  Original patch by Joseph Hackman.

field.  Rather than cluttering the tests, translate the arguably more correct
"None" to an empty string.

Patch by Xiang Zhang.

Patch by Xiang Zhang.

If they aren't present, set them to an empty string.

Issue #26804: urllib.request will prefer lower_case proxy environment variables
over UPPER_CASE or Mixed_Case ones.

Patch contributed by Hans-Peter Jansen. Reviewed by Martin Panter and Senthil Kumaran.

over UPPER_CASE or Mixed_Case ones.

Patch contributed by Hans-Peter Jansen. Reviewed by Martin Panter and Senthil Kumaran.