Collecting niet==0.1.0
  1 location(s) to search for versions of niet:
  * https://pypi.python.org/simple/niet/
  Getting page https://pypi.python.org/simple/niet/
  Analyzing links from page https://pypi.python.org/simple/niet/
    Found link https://pypi.python.org/packages/01/c6/23528563225e60347bbe8a006dc5e77dda43094a37c305822c3051bbf4d7/niet-0.1.0-py2.py3-none-any.whl#md5=6fbc0edd24a4864a16afbfc9f38780e2 (from https://pypi.python.org/simple/niet/), version: 0.1.0
    Found link https://pypi.python.org/packages/56/bb/0b5fa56d11c4a24214345506d8469c6c874f26b8d083a217bc60fe60e884/niet-0.1.0.tar.gz#md5=25c0dd1d3e732cb2153927f4aa670b07 (from https://pypi.python.org/simple/niet/), version: 0.1.0
  Using version 0.1.0 (newest of versions: 0.1.0)
  Downloading niet-0.1.0-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/01/c6/23528563225e60347bbe8a006dc5e77dda43094a37c305822c3051bbf4d7/niet-0.1.0-py2.py3-none-any.whl#md5=6fbc0edd24a4864a16afbfc9f38780e2 (from https://pypi.python.org/simple/niet/)
  Saved /tmp/tmpx13th8gv/niet-0.1.0-py2.py3-none-any.whl
Skipping niet, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-o7t9bm2c/niet