Collecting colorzero==1.0
  1 location(s) to search for versions of colorzero:
  * https://pypi.python.org/simple/colorzero/
  Getting page https://pypi.python.org/simple/colorzero/
  Analyzing links from page https://pypi.python.org/simple/colorzero/
    Found link https://pypi.python.org/packages/3d/43/21773a8f9495a62d99a08e6513af719be133867e2825824071a9cda80c73/colorzero-1.0.tar.gz#md5=5cc33ed3a7abd00ddb25de98a09eb73d (from https://pypi.python.org/simple/colorzero/), version: 1.0
    Found link https://pypi.python.org/packages/cd/2a/4ae84a73aed49a73a9add564b9131ef5c324e85c0ecb161643657709b8b3/colorzero-1.0-py2.py3-none-any.whl#md5=098e52892d93dd13b53e48c2f32560c6 (from https://pypi.python.org/simple/colorzero/), version: 1.0
  Using version 1.0 (newest of versions: 1.0)
  Downloading colorzero-1.0-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/cd/2a/4ae84a73aed49a73a9add564b9131ef5c324e85c0ecb161643657709b8b3/colorzero-1.0-py2.py3-none-any.whl#md5=098e52892d93dd13b53e48c2f32560c6 (from https://pypi.python.org/simple/colorzero/)
  Saved /tmp/tmpiz1gi9wj/colorzero-1.0-py2.py3-none-any.whl
Skipping colorzero, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-wao8t2_s/colorzero