Created temporary directory: /tmp/pip-ephem-wheel-cache-omn412ff
Created temporary directory: /tmp/pip-wheel-p4kpun47
Looking in indexes: https://pypi.python.org/simple
Collecting pytest-xdist==1.22.4
  1 location(s) to search for versions of pytest-xdist:
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  Getting page https://pypi.python.org/simple/pytest-xdist/
  Analyzing links from page https://pypi.org/simple/pytest-xdist/
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Skipping pytest-xdist, due to already being wheel.
Cleaning up...
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