[Python-modules-team] Bug#859504: python-requests breaks packages using urllib3

[Ilias Tsitsimpis]

Package: python-requests
Version: 2.12.4-1
Severity: important
Tags: patch

Hello,

thank you for maintaining python-requests.

It seems that patch use-pip-unbundling.patch doen not work as expected:

    >>> import sys, urllib3
    >>> from urllib3.exceptions import HTTPError
    >>> urllib3.exceptions.HTTPError is HTTPError
    True
    >>> sys.modules["urllib3.exceptions"] is urllib3.exceptions
    True
    >>> import requests
    >>> urllib3.exceptions.HTTPError is HTTPError
    False
    >>> sys.modules["urllib3.exceptions"] is urllib3.exceptions
    False

This causes (otherwise correct) Python programs to fail by simply
importing the 'requests' module. The solution proposed by upstream[1]
doesn't work either.

[1] https://github.com/kennethreitz/requests/blob/master/requests/packages/__init__.py

Attached is a patch that works for me and seems to fix the above bug.
It would be great if this could be fixed for stretch.

Best,

-- 
Ilias
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