Collecting perctest==1.0.0
  1 location(s) to search for versions of perctest:
  * https://pypi.python.org/simple/perctest/
  Getting page https://pypi.python.org/simple/perctest/
  Analyzing links from page https://pypi.python.org/simple/perctest/
    Found link https://pypi.python.org/packages/a0/26/27b206513fc3b26dbdf6c97109a3571dfc6902a2d9f2dccd521c2be22f89/perctest-1.0.0.tar.gz#md5=f79b5486580553f4050bea2cacc275da (from https://pypi.python.org/simple/perctest/), version: 1.0.0
    Found link https://pypi.python.org/packages/cf/92/cd32914815656343a5f6a30bf9bec2744dd22cf5b205374ea501a6552e17/perctest-1.0.0-py3-none-any.whl#md5=65e87e32d991929b18bda861e41bcf5f (from https://pypi.python.org/simple/perctest/), version: 1.0.0
  Using version 1.0.0 (newest of versions: 1.0.0)
  Downloading perctest-1.0.0-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/cf/92/cd32914815656343a5f6a30bf9bec2744dd22cf5b205374ea501a6552e17/perctest-1.0.0-py3-none-any.whl#md5=65e87e32d991929b18bda861e41bcf5f (from https://pypi.python.org/simple/perctest/)
  Saved /tmp/tmpcggdkied/perctest-1.0.0-py3-none-any.whl
Skipping perctest, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-h1ufz3ue/perctest