Collecting pysum==0.1.1
  1 location(s) to search for versions of pysum:
  * https://pypi.python.org/simple/pysum/
  Getting page https://pypi.python.org/simple/pysum/
  Analyzing links from page https://pypi.org/simple/pysum/
    Found link https://files.pythonhosted.org/packages/ad/a4/9d681d8d9f10a1b609211130b378930793c1d5f848edf688111b83aaf4c3/pysum-0.1.1-py2.py3-none-any.whl#sha256=e38143adacc52b645b35d973885e9e37691d5a6aa02d977a4e9c447b0f6c37b9 (from https://pypi.org/simple/pysum/), version: 0.1.1
    Found link https://files.pythonhosted.org/packages/53/4f/d643661d9eedbcec56641ad073a6a35e27659fde5039c3e310cafe730eb0/pysum-0.1.1.tar.gz#sha256=ac414862eb2295cce153a1110f712b7fc3ff9e207ca67e8b707245e32b416a4e (from https://pypi.org/simple/pysum/), version: 0.1.1
  Using version 0.1.1 (newest of versions: 0.1.1)
  Downloading https://files.pythonhosted.org/packages/ad/a4/9d681d8d9f10a1b609211130b378930793c1d5f848edf688111b83aaf4c3/pysum-0.1.1-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/ad/a4/9d681d8d9f10a1b609211130b378930793c1d5f848edf688111b83aaf4c3/pysum-0.1.1-py2.py3-none-any.whl#sha256=e38143adacc52b645b35d973885e9e37691d5a6aa02d977a4e9c447b0f6c37b9 (from https://pypi.org/simple/pysum/)
  Saved /tmp/tmpgc3ej_yf/pysum-0.1.1-py2.py3-none-any.whl
Skipping pysum, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-ypq6d0x9/pysum