Created temporary directory: /tmp/pip-ephem-wheel-cache-bq19x_5x
Created temporary directory: /tmp/pip-req-tracker-tleeamz7
Created requirements tracker '/tmp/pip-req-tracker-tleeamz7'
Created temporary directory: /tmp/pip-wheel-dznpvrl5
Looking in indexes: https://pypi.python.org/simple
Collecting tox-pip-extensions==1.4.1
  1 location(s) to search for versions of tox-pip-extensions:
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  Using version 1.4.1 (newest of versions: 1.4.1)
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  Downloading https://files.pythonhosted.org/packages/c5/51/7ccde9fb69a49d5e850fd98c80b9d57806abd148cab70697870988347325/tox_pip_extensions-1.4.1-py2.py3-none-any.whl
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  Saved /tmp/tmpassc5xb3/tox_pip_extensions-1.4.1-py2.py3-none-any.whl
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Skipping tox-pip-extensions, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-dznpvrl5/tox-pip-extensions
Removed build tracker '/tmp/pip-req-tracker-tleeamz7'