Collecting spectres==2.0.0
  1 location(s) to search for versions of spectres:
  * https://pypi.python.org/simple/spectres/
  Getting page https://pypi.python.org/simple/spectres/
  Analyzing links from page https://pypi.python.org/simple/spectres/
    Found link https://pypi.python.org/packages/c6/c7/526efdc582b9f2749241f92d062a786518bffb1982d7fb7d9478db27c71b/spectres-2.0.0-py2.py3-none-any.whl#md5=dcb7d175d63fdf1d3e32d6a39dd6602b (from https://pypi.python.org/simple/spectres/), version: 2.0.0
    Found link https://pypi.python.org/packages/62/e5/ac2d5ebc6b4b1d7cdef54c31d1c606ee741193fcc7d0d911725d6de5b320/spectres-2.0.0.tar.gz#md5=3f216639c114af6d9899aa6b0ff16978 (from https://pypi.python.org/simple/spectres/), version: 2.0.0
  Using version 2.0.0 (newest of versions: 2.0.0)
  Downloading spectres-2.0.0-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/c6/c7/526efdc582b9f2749241f92d062a786518bffb1982d7fb7d9478db27c71b/spectres-2.0.0-py2.py3-none-any.whl#md5=dcb7d175d63fdf1d3e32d6a39dd6602b (from https://pypi.python.org/simple/spectres/)
  Saved /tmp/tmptwbrh7l0/spectres-2.0.0-py2.py3-none-any.whl
Skipping spectres, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-8_s23c7z/spectres