AttributeError: type object 'HTTPConnectionPool' has no attribute 'ConnectionCls'

StackOverflow https://stackoverflow.com/questions/23637708

  •  21-07-2023
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Question

When running nosetests, using Flask-test I keep getting this error:

File "/app/env/local/lib/python2.7/site-packages/twill/browser.py", line 33, in __init__
    cpl.HTTPConnectionPool.old_http = cpl.HTTPConnectionPool.ConnectionCls
AttributeError: type object 'HTTPConnectionPool' has no attribute 'ConnectionCls'

Also when trying to run twill-sh I get the same error.

Was it helpful?

Solution

The problem is that the version of twill that you are currently using requires a more up-to-date version of the requests library. You should either upgrade requests, via

pip install requests --upgrade

Or downgrade twill, via:

pip uninstall twill
pip install -e git+https://github.com/ctb/twill/@79fa302814715a51e6b117eeee0defd2942af3b6#egg=twill
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