python3-request lib crash system-config-printer

ubuntu mate 15.10
amd64

system-config-printer
Traceback (most recent call last):
  File "/usr/share/system-config-printer/system-config-printer.py", line 70, in <module>
    import cupshelpers
  File "/usr/lib/python3/dist-packages/cupshelpers/__init__.py", line 60, in <module>
    from . import openprinting
  File "/usr/lib/python3/dist-packages/cupshelpers/openprinting.py", line 22, in <module>
    import requests, urllib.request, urllib.parse, urllib.error, platform, threading, tempfile, traceback
  File "/usr/lib/python3/dist-packages/requests/__init__.py", line 60, in <module>
    from .api import request, get, head, post, patch, put, delete, options
  File "/usr/lib/python3/dist-packages/requests/api.py", line 14, in <module>
    from . import sessions
  File "/usr/lib/python3/dist-packages/requests/sessions.py", line 27, in <module>
    from .adapters import HTTPAdapter
  File "/usr/lib/python3/dist-packages/requests/adapters.py", line 29, in <module>
    from .packages.urllib3.exceptions import ResponseError
ImportError: cannot import name 'ResponseError'

possible solution
1) comment line 29 and coresponding line in adapters.py where ResponseError is used.
2) fix urllib3.exceptions by adding ResponseError class