Collecting zerolib==0.0.0.dev1
  1 location(s) to search for versions of zerolib:
  * https://pypi.python.org/simple/zerolib/
  Getting page https://pypi.python.org/simple/zerolib/
  Analyzing links from page https://pypi.python.org/simple/zerolib/
    Found link https://pypi.python.org/packages/38/69/a879af404ace9513fae488b74df493a40d89dec65ff8c66f5520b0c60ab3/zerolib-0.0.0.dev1.tar.gz#md5=4072b90da8df1b9e274224b2496dbbe7 (from https://pypi.python.org/simple/zerolib/) (requires-python:>=3), version: 0.0.0.dev1
    Found link https://pypi.python.org/packages/4a/78/58f4a8ab5bed4340cfb4e07666e823eb468c479077a0b7a6f8804126f818/zerolib-0.0.0.dev1-py3-none-any.whl#md5=bb54fec2d01781b218b09feaa5eb18de (from https://pypi.python.org/simple/zerolib/) (requires-python:>=3), version: 0.0.0.dev1
  Using version 0.0.0.dev1 (newest of versions: 0.0.0.dev1)
  Downloading zerolib-0.0.0.dev1-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/4a/78/58f4a8ab5bed4340cfb4e07666e823eb468c479077a0b7a6f8804126f818/zerolib-0.0.0.dev1-py3-none-any.whl#md5=bb54fec2d01781b218b09feaa5eb18de (from https://pypi.python.org/simple/zerolib/) (requires-python:>=3)
  Saved /tmp/tmplrrgov1z/zerolib-0.0.0.dev1-py3-none-any.whl
Skipping zerolib, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-iexqi_6c/zerolib