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

[Joshua Chin]

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 removing the guarantee from the documentation.

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assignee: docs at python
components: Documentation
files: urlopen_doc.patch
keywords: patch
messages: 230640
nosy: Joshua.Chin, docs at python, orsenthil
priority: normal
severity: normal
status: open
title: urllib.request.urlopen documentation falsely guarantees that a URLError will be raised on errors
type: behavior
versions: Python 3.4
Added file: http://bugs.python.org/file37129/urlopen_doc.patch

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<http://bugs.python.org/issue22797>
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