Collecting py-fortress==0.0.7
  1 location(s) to search for versions of py-fortress:
  * https://pypi.python.org/simple/py-fortress/
  Getting page https://pypi.python.org/simple/py-fortress/
  Analyzing links from page https://pypi.python.org/simple/py-fortress/
    Found link https://pypi.python.org/packages/de/89/83ea03b8a5c91fe957afdaa349c3f45a18fa3b6d810b24faebade6f5755a/py-fortress-0.0.7.tar.gz#md5=81b425bf51dc5b3a54988aae9ab17a3e (from https://pypi.python.org/simple/py-fortress/) (requires-python:>=3), version: 0.0.7
    Found link https://pypi.python.org/packages/ce/f3/447514a4e6388209dbbf0a9bcab952027c0cd94e1f9c56c6b1c9b7952cbb/py_fortress-0.0.7-py3-none-any.whl#md5=87f590c9c4530ff494bdb4ac832dcf5f (from https://pypi.python.org/simple/py-fortress/) (requires-python:>=3), version: 0.0.7
  Using version 0.0.7 (newest of versions: 0.0.7)
  Downloading py_fortress-0.0.7-py3-none-any.whl (69kB)
  Downloading from URL https://pypi.python.org/packages/ce/f3/447514a4e6388209dbbf0a9bcab952027c0cd94e1f9c56c6b1c9b7952cbb/py_fortress-0.0.7-py3-none-any.whl#md5=87f590c9c4530ff494bdb4ac832dcf5f (from https://pypi.python.org/simple/py-fortress/) (requires-python:>=3)
  Saved /tmp/tmpbs59ubqw/py_fortress-0.0.7-py3-none-any.whl
Skipping py-fortress, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-v5xm02as/py-fortress