Collecting niet==0.2.1
  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
    Found link https://pypi.python.org/packages/b0/5b/25324e906dbbd106e55359621070a97521878c8565bb39719b9279842476/niet-0.2.0-py2.py3-none-any.whl#md5=2b3adacb7ca3411db2dddcbe364e77be (from https://pypi.python.org/simple/niet/), version: 0.2.0
    Found link https://pypi.python.org/packages/63/9f/97438c18be84c6e642c961de9918b4d4ee2ecf388224951049648e363c3e/niet-0.2.0.tar.gz#md5=594c085e85b0849ca78151daffe26546 (from https://pypi.python.org/simple/niet/), version: 0.2.0
    Found link https://pypi.python.org/packages/f4/3d/c2d663e38e23373519f063cffc126b3f9e88cbc966bf6fb97303255f1d14/niet-0.2.1-py2.py3-none-any.whl#md5=9920e8b38afdcd144d091b7513423916 (from https://pypi.python.org/simple/niet/), version: 0.2.1
    Found link https://pypi.python.org/packages/43/2f/a546bf0f9cf237480e9b58d25f9aac49fa18001e016a7d42ee27c95c3d0f/niet-0.2.1.tar.gz#md5=9915a8f16c48606dcf4969664d8c3143 (from https://pypi.python.org/simple/niet/), version: 0.2.1
  Using version 0.2.1 (newest of versions: 0.2.1)
  Downloading niet-0.2.1-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/f4/3d/c2d663e38e23373519f063cffc126b3f9e88cbc966bf6fb97303255f1d14/niet-0.2.1-py2.py3-none-any.whl#md5=9920e8b38afdcd144d091b7513423916 (from https://pypi.python.org/simple/niet/)
  Saved /tmp/tmpodqi6jo2/niet-0.2.1-py2.py3-none-any.whl
Skipping niet, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-7euifq36/niet