Collecting window-tracker-x11==0.0.1
  1 location(s) to search for versions of window-tracker-x11:
  * https://pypi.python.org/simple/window-tracker-x11/
  Getting page https://pypi.python.org/simple/window-tracker-x11/
  Analyzing links from page https://pypi.python.org/simple/window-tracker-x11/
    Found link https://pypi.python.org/packages/1c/74/ea754d2771c66cb2467675fc7be64f4c59cb0c7b00e353bcd52b8a02160a/window_tracker_x11-0.0.1-py2.py3-none-any.whl#md5=0f27e150d553b63571c6853aa6b4a88f (from https://pypi.python.org/simple/window-tracker-x11/), version: 0.0.1
    Found link https://pypi.python.org/packages/a5/a1/688bc667bd81802e2707271c896458e70f8eabbb9b6dc902979100abec9e/window_tracker_x11-0.0.1.tar.gz#md5=2230a8746e02c441b7b90d6c7f6d9e55 (from https://pypi.python.org/simple/window-tracker-x11/), version: 0.0.1
  Using version 0.0.1 (newest of versions: 0.0.1)
  Downloading window_tracker_x11-0.0.1-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/1c/74/ea754d2771c66cb2467675fc7be64f4c59cb0c7b00e353bcd52b8a02160a/window_tracker_x11-0.0.1-py2.py3-none-any.whl#md5=0f27e150d553b63571c6853aa6b4a88f (from https://pypi.python.org/simple/window-tracker-x11/)
  Saved /tmp/tmp8imb4ek5/window_tracker_x11-0.0.1-py2.py3-none-any.whl
Skipping window-tracker-x11, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-3oupn5sc/window-tracker-x11