Created temporary directory: /tmp/pip-ephem-wheel-cache-ebtouhj9
Created temporary directory: /tmp/pip-req-tracker-2g05sv8f
Created requirements tracker '/tmp/pip-req-tracker-2g05sv8f'
Created temporary directory: /tmp/pip-wheel-akkzcol6
Looking in indexes: https://pypi.python.org/simple
Collecting isbnlib==3.9.3
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  Getting page https://pypi.python.org/simple/isbnlib/
  Analyzing links from page https://pypi.org/simple/isbnlib/
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