Collecting strain==0.1.0
  1 location(s) to search for versions of strain:
  * https://pypi.python.org/simple/strain/
  Getting page https://pypi.python.org/simple/strain/
  Analyzing links from page https://pypi.python.org/simple/strain/
    Found link https://pypi.python.org/packages/56/6b/76f4926b10252f9db6295ded27b3a8f4092a091c61e302a91e080a100b03/strain-0.1.0-py3-none-any.whl#md5=a71101db360f6ecce149bce7eba9cafb (from https://pypi.python.org/simple/strain/), version: 0.1.0
    Found link https://pypi.python.org/packages/18/95/a8531c4b48bd4e104ac4cdf09918115692d34fa2911deabb70fb5d9ee653/strain-0.1.0.tar.gz#md5=20e2cb766d21463e92d41a01d73cc073 (from https://pypi.python.org/simple/strain/), version: 0.1.0
    Found link https://pypi.python.org/packages/63/96/2ab608a888fcea7f4b99e5c024b466d9492bcd3606e3e4a718de36bacf4e/strain-0.0.0a0.tar.gz#md5=eaee6445a916b5323c67be2d6fc36d5f (from https://pypi.python.org/simple/strain/), version: 0.0.0a0
  Using version 0.1.0 (newest of versions: 0.1.0)
  Downloading strain-0.1.0-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/56/6b/76f4926b10252f9db6295ded27b3a8f4092a091c61e302a91e080a100b03/strain-0.1.0-py3-none-any.whl#md5=a71101db360f6ecce149bce7eba9cafb (from https://pypi.python.org/simple/strain/)
  Saved /tmp/tmpri8vkxtf/strain-0.1.0-py3-none-any.whl
Skipping strain, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-kn0he60x/strain