Created temporary directory: /tmp/pip-ephem-wheel-cache-s_39unt0
Created temporary directory: /tmp/pip-req-tracker-3ijmttqq
Created requirements tracker '/tmp/pip-req-tracker-3ijmttqq'
Created temporary directory: /tmp/pip-wheel-x5_z96p_
Looking in indexes: https://pypi.python.org/simple
Collecting zope.schema==4.8.0
  1 location(s) to search for versions of zope.schema:
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  Getting page https://pypi.python.org/simple/zope-schema/
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  Using version 4.8.0 (newest of versions: 4.8.0)
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  Downloading https://files.pythonhosted.org/packages/e4/67/0afeddb11f6d410cd873634d6227f75a8e6f3491138dd148f156692f353b/zope.schema-4.8.0-py2.py3-none-any.whl (79kB)
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  Saved /tmp/tmp4qcub5cb/zope.schema-4.8.0-py2.py3-none-any.whl
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Skipping zope.schema, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-x5_z96p_/zope.schema
Removed build tracker '/tmp/pip-req-tracker-3ijmttqq'