Collecting callspect==0.1.3
  1 location(s) to search for versions of callspect:
  * https://pypi.python.org/simple/callspect/
  Getting page https://pypi.python.org/simple/callspect/
  Analyzing links from page https://pypi.python.org/simple/callspect/
    Found link https://pypi.python.org/packages/2d/f5/68310bc64170d2511185ed1a91dd496eefd99c1a1a27579eed14b88e78b4/callspect-0.1.3.tar.gz#md5=def0c174b69d1b97d63d19428d29ce6b (from https://pypi.python.org/simple/callspect/) (requires-python:>=3.5), version: 0.1.3
    Found link https://pypi.python.org/packages/3e/8c/2b192bc31a1839e7923ab7b456976dd5df1f00a48c55294ae004d0a669c8/callspect-0.1.0.tar.gz#md5=e1c2a2e15fb6e6ac7ab8d760afe340b0 (from https://pypi.python.org/simple/callspect/) (requires-python:>=3.5), version: 0.1.0
    Found link https://pypi.python.org/packages/93/95/af15de540eeecfd2a8f3f08592b2db1baf4464d439e903a34cfb8aa235b7/callspect-0.1.0-py3-none-any.whl#md5=d77a3fa6bf5556439a95acd592a3edb2 (from https://pypi.python.org/simple/callspect/) (requires-python:>=3.5), version: 0.1.0
    Found link https://pypi.python.org/packages/f1/a6/708573ca31a3e85edaba93e6797ca8c8666ebc0702a881f263fdbd18fc38/callspect-0.1.3-py3-none-any.whl#md5=d70c620f8cc259808032580bf7ecb166 (from https://pypi.python.org/simple/callspect/) (requires-python:>=3.5), version: 0.1.3
  Using version 0.1.3 (newest of versions: 0.1.3)
  Downloading callspect-0.1.3-py3-none-any.whl (2.3MB)
  Downloading from URL https://pypi.python.org/packages/f1/a6/708573ca31a3e85edaba93e6797ca8c8666ebc0702a881f263fdbd18fc38/callspect-0.1.3-py3-none-any.whl#md5=d70c620f8cc259808032580bf7ecb166 (from https://pypi.python.org/simple/callspect/) (requires-python:>=3.5)
  Saved /tmp/tmpkbrtbqcm/callspect-0.1.3-py3-none-any.whl
Skipping callspect, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-k2a8ov9a/callspect