[issue22797] urllib.request.urlopen documentation falsely guarantees that a URLError will be raised on errors

Changes by Joshua Chin : Added file: http://bugs.python.org/file37131/urlopen_doc.patch ___ Python tracker <http://bugs.python.org/issue22797> ___ ___ Python-bugs-list m

[issue22797] urllib.request.urlopen documentation falsely guarantees that a URLError will be raised on errors

New submission from Joshua Chin: The documentation for urlopen states that it "Raises URLError on errors." However, urlopen can raise a ValueError. In fact, test_urllib. urlopen_FileTests.test_relativelocalfile specifically checks if urlopen raises a ValueError. I suggest re

[issue22766] collections.Counter's in-place operators should return NotImplemented for unsupported types

New submission from Joshua Chin: Currently, in-place operations on 'collections.Counter' with unsupported types raises an 'AttributeError'. Example: >>> import collections >>> counter = collections.Counter() >>> counter += 1 Traceback (most r