Collecting cython-npm==0.1.0
  1 location(s) to search for versions of cython-npm:
  * https://pypi.python.org/simple/cython-npm/
  Getting page https://pypi.python.org/simple/cython-npm/
  Analyzing links from page https://pypi.python.org/simple/cython-npm/
    Found link https://pypi.python.org/packages/14/0b/33e3396d5434e14da38007382228df6b2c4da0163abb0f9b1ec3704986c3/cython_npm-0.1.0.tar.gz#md5=31c8bbb65e86d27ba4384d2d82398940 (from https://pypi.python.org/simple/cython-npm/), version: 0.1.0
    Found link https://pypi.python.org/packages/f4/43/7a8aff77fe3d56faa6af385766fb0ed2c302576deeb50d4d240806ea4c66/cython_npm-0.1.0-py3-none-any.whl#md5=9685615eca69924187736a2fb0f957a6 (from https://pypi.python.org/simple/cython-npm/), version: 0.1.0
  Using version 0.1.0 (newest of versions: 0.1.0)
  Downloading cython_npm-0.1.0-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/f4/43/7a8aff77fe3d56faa6af385766fb0ed2c302576deeb50d4d240806ea4c66/cython_npm-0.1.0-py3-none-any.whl#md5=9685615eca69924187736a2fb0f957a6 (from https://pypi.python.org/simple/cython-npm/)
  Saved /tmp/tmpkfpqm3x4/cython_npm-0.1.0-py3-none-any.whl
Skipping cython-npm, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-w41_un18/cython-npm