Collecting pypairs==1.0.0
  1 location(s) to search for versions of pypairs:
  * https://pypi.python.org/simple/pypairs/
  Getting page https://pypi.python.org/simple/pypairs/
  Analyzing links from page https://pypi.python.org/simple/pypairs/
    Found link https://pypi.python.org/packages/41/18/27b6c442d17f4f210dd4ce6d5f313faea923c23556d7c453ac7e38cbb1bd/pypairs-0.1-py3-none-any.whl#md5=0112b28ba16baa13cce8b31ac72d1032 (from https://pypi.python.org/simple/pypairs/), version: 0.1
    Found link https://pypi.python.org/packages/84/31/b16a0412e021f6841298f4109d1b72262342abc0062d53399715cc3dfbd3/pypairs-0.1.tar.gz#md5=205d379fd8e7e50af480ed9f2c9769f4 (from https://pypi.python.org/simple/pypairs/), version: 0.1
    Found link https://pypi.python.org/packages/cd/0a/c125a1ac9f8aa434f92d862a5d166a24117fcf9cb3cbea0c7bb4352237d1/pypairs-1.0.0-py3-none-any.whl#md5=7540dffeaa21b1eea879c0a79fc6498d (from https://pypi.python.org/simple/pypairs/), version: 1.0.0
  Using version 1.0.0 (newest of versions: 1.0.0)
  Downloading pypairs-1.0.0-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/cd/0a/c125a1ac9f8aa434f92d862a5d166a24117fcf9cb3cbea0c7bb4352237d1/pypairs-1.0.0-py3-none-any.whl#md5=7540dffeaa21b1eea879c0a79fc6498d (from https://pypi.python.org/simple/pypairs/)
  Saved /tmp/tmpluj6azmh/pypairs-1.0.0-py3-none-any.whl
Skipping pypairs, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-tvreyunq/pypairs