Collecting ws2s-python==1.0.0
  1 location(s) to search for versions of ws2s-python:
  * https://pypi.python.org/simple/ws2s-python/
  Getting page https://pypi.python.org/simple/ws2s-python/
  Analyzing links from page https://pypi.python.org/simple/ws2s-python/
    Found link https://pypi.python.org/packages/06/7e/c16d75753085e4061abc6688dcd5909959cbfdcfee68f82fc024f34e565a/ws2s-python-1.0.0.tar.gz#md5=2632868c111cc687f4506e9d70651dbd (from https://pypi.python.org/simple/ws2s-python/), version: 1.0.0
    Found link https://pypi.python.org/packages/48/c6/9e89dcb6160271db070455c292cd885c574e759b979996c2f7156ba75227/ws2s_python-1.0.0-py2.py3-none-any.whl#md5=b4b524b87013417ce4d4dae9f83026b7 (from https://pypi.python.org/simple/ws2s-python/), version: 1.0.0
  Using version 1.0.0 (newest of versions: 1.0.0)
  Downloading ws2s_python-1.0.0-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/48/c6/9e89dcb6160271db070455c292cd885c574e759b979996c2f7156ba75227/ws2s_python-1.0.0-py2.py3-none-any.whl#md5=b4b524b87013417ce4d4dae9f83026b7 (from https://pypi.python.org/simple/ws2s-python/)
  Saved /tmp/tmphecpdyfu/ws2s_python-1.0.0-py2.py3-none-any.whl
Skipping ws2s-python, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-8fwm079v/ws2s-python