[issue18978] Allow urllib.request.Request subclasses to override method

[Roundup Robot]

Roundup Robot added the comment:

New changeset 7f13d5ecf71f by Jason R. Coombs in branch 'default':
Issue #18978: Update docs to reflect explicitly the ability to set the attribute at the class level.
http://hg.python.org/cpython/rev/7f13d5ecf71f

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<http://bugs.python.org/issue18978>
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