Collecting flake8-json==17.12.0
  1 location(s) to search for versions of flake8-json:
  * https://pypi.python.org/simple/flake8-json/
  Getting page https://pypi.python.org/simple/flake8-json/
  Analyzing links from page https://pypi.python.org/simple/flake8-json/
    Found link https://pypi.python.org/packages/7c/eb/6fbe5d792835e98c80e9f1559c136c62e4b7f20de156303f1b58fc343ff2/flake8-json-17.12.0.tar.gz#md5=3da2b23cf37bdb19091e7deccb4c3885 (from https://pypi.python.org/simple/flake8-json/) (requires-python:>=2.7,!=3.0,!=3.1,!=3.2,!=3.3), version: 17.12.0
    Found link https://pypi.python.org/packages/b3/f6/f098541db87b45395b42d2c1d28f5898532a587de5f822af6921468c7ada/flake8_json-17.12.0-py2.py3-none-any.whl#md5=6ae3f0fa0cd67e33bb6c10771383955a (from https://pypi.python.org/simple/flake8-json/) (requires-python:>=2.7,!=3.0,!=3.1,!=3.2,!=3.3), version: 17.12.0
  Using version 17.12.0 (newest of versions: 17.12.0)
  Downloading flake8_json-17.12.0-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/b3/f6/f098541db87b45395b42d2c1d28f5898532a587de5f822af6921468c7ada/flake8_json-17.12.0-py2.py3-none-any.whl#md5=6ae3f0fa0cd67e33bb6c10771383955a (from https://pypi.python.org/simple/flake8-json/) (requires-python:>=2.7,!=3.0,!=3.1,!=3.2,!=3.3)
  Saved /tmp/tmpye_kwzbi/flake8_json-17.12.0-py2.py3-none-any.whl
Skipping flake8-json, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-gl0v468l/flake8-json