Collecting gsl==0.0.1
  1 location(s) to search for versions of gsl:
  * https://pypi.python.org/simple/gsl/
  Getting page https://pypi.python.org/simple/gsl/
  Analyzing links from page https://pypi.python.org/simple/gsl/
    Found link https://pypi.python.org/packages/41/2d/c355df8dfb7a4182a3a28886156d972669233833a79c714cb44db99a10e9/gsl-0.0.1.tar.gz#md5=2fcbbab52c9154db5aaf9873bd087eaa (from https://pypi.python.org/simple/gsl/), version: 0.0.1
    Found link https://pypi.python.org/packages/4d/b1/19ad88ad163442ddbba4198adf84e475e368dcd628bbd2d99d64368ca1eb/gsl-0.0.1-py3-none-any.whl#md5=3eb805abba0310f3746022a04ee33059 (from https://pypi.python.org/simple/gsl/), version: 0.0.1
  Using version 0.0.1 (newest of versions: 0.0.1)
  Downloading gsl-0.0.1-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/4d/b1/19ad88ad163442ddbba4198adf84e475e368dcd628bbd2d99d64368ca1eb/gsl-0.0.1-py3-none-any.whl#md5=3eb805abba0310f3746022a04ee33059 (from https://pypi.python.org/simple/gsl/)
  Saved /tmp/tmp4hp0qz_3/gsl-0.0.1-py3-none-any.whl
Skipping gsl, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-5lbcdwv_/gsl