Collecting perctest==1.0.1a2
  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/19/da/09483ccab6328bdd18a17e30aae6ea617c4bda01b071167e6065e33dc496/perctest-1.0.1a2.tar.gz#md5=d6baee7195dcadb72c55c16831d52cc9 (from https://pypi.python.org/simple/perctest/) (requires-python:>=3), version: 1.0.1a2
    Found link https://pypi.python.org/packages/28/03/aa15eb6f8e6166a76e0d35d16fd681c18a3ce64fc4080ddd2269acf25be6/perctest-1.0.1a2-py3-none-any.whl#md5=cc3f8efe36db808469b523f0d5f293ab (from https://pypi.python.org/simple/perctest/) (requires-python:>=3), version: 1.0.1a2
    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/b4/45/a6a691c00b81254d3403cd4ae0e0ef32288e607a0f75b4787a0b8b224347/perctest-1.0.1a1-py3-none-any.whl#md5=136e96d302b8c81c04c6d9c1324d0d7a (from https://pypi.python.org/simple/perctest/) (requires-python:>=3), version: 1.0.1a1
    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
    Found link https://pypi.python.org/packages/ea/dc/cc8cad55c84b6fe27a2e8480e5bb2e6d44cefa8353363b6a07834d5858bd/perctest-1.0.1a1.tar.gz#md5=dabf69be82dc76230a5c4c872b4a5585 (from https://pypi.python.org/simple/perctest/) (requires-python:>=3), version: 1.0.1a1
  Using version 1.0.1a2 (newest of versions: 1.0.1a2)
  Downloading perctest-1.0.1a2-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/28/03/aa15eb6f8e6166a76e0d35d16fd681c18a3ce64fc4080ddd2269acf25be6/perctest-1.0.1a2-py3-none-any.whl#md5=cc3f8efe36db808469b523f0d5f293ab (from https://pypi.python.org/simple/perctest/) (requires-python:>=3)
  Saved /tmp/tmpqa6xu4yz/perctest-1.0.1a2-py3-none-any.whl
Skipping perctest, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-0i5o4jcq/perctest