Created temporary directory: /tmp/pip-ephem-wheel-cache-ggk558lk
Created temporary directory: /tmp/pip-req-tracker-ad6dkl_m
Created requirements tracker '/tmp/pip-req-tracker-ad6dkl_m'
Created temporary directory: /tmp/pip-wheel-luctmebt
Collecting heroku.env==0.2.0
  1 location(s) to search for versions of heroku.env:
  * https://pypi.org/simple/heroku-env/
  Getting page https://pypi.org/simple/heroku-env/
  Analyzing links from page https://pypi.org/simple/heroku-env/
    Found link https://files.pythonhosted.org/packages/59/c0/088da20ca6f7d2d87fe9946fe451db125f2319f99765450b9660812e76f5/heroku.env-0.2.0-py2.py3-none-any.whl#sha256=9901561733804b3fd267e37e5771042efadddef0193a6f9f189a1d1eabba6efe (from https://pypi.org/simple/heroku-env/), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/4c/10/eb32d731e5752d94e27e02b52472616e8830e815cc984b0d8c00cf18d779/heroku.env-0.2.0.tar.gz#sha256=3c021a954e409f62abb522643ea4c67c60a0d27820fa8cf05e479cd7ec090daa (from https://pypi.org/simple/heroku-env/), version: 0.2.0
  Using version 0.2.0 (newest of versions: 0.2.0)
  Created temporary directory: /tmp/pip-unpack-u3wjss3x
  Downloading https://files.pythonhosted.org/packages/59/c0/088da20ca6f7d2d87fe9946fe451db125f2319f99765450b9660812e76f5/heroku.env-0.2.0-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/59/c0/088da20ca6f7d2d87fe9946fe451db125f2319f99765450b9660812e76f5/heroku.env-0.2.0-py2.py3-none-any.whl#sha256=9901561733804b3fd267e37e5771042efadddef0193a6f9f189a1d1eabba6efe (from https://pypi.org/simple/heroku-env/)
  Saved /tmp/tmpdmrzei0i/heroku.env-0.2.0-py2.py3-none-any.whl
  Added heroku.env==0.2.0 from https://files.pythonhosted.org/packages/59/c0/088da20ca6f7d2d87fe9946fe451db125f2319f99765450b9660812e76f5/heroku.env-0.2.0-py2.py3-none-any.whl#sha256=9901561733804b3fd267e37e5771042efadddef0193a6f9f189a1d1eabba6efe to build tracker '/tmp/pip-req-tracker-ad6dkl_m'
  Removed heroku.env==0.2.0 from https://files.pythonhosted.org/packages/59/c0/088da20ca6f7d2d87fe9946fe451db125f2319f99765450b9660812e76f5/heroku.env-0.2.0-py2.py3-none-any.whl#sha256=9901561733804b3fd267e37e5771042efadddef0193a6f9f189a1d1eabba6efe from build tracker '/tmp/pip-req-tracker-ad6dkl_m'
Skipping heroku.env, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-luctmebt/heroku.env
Removed build tracker '/tmp/pip-req-tracker-ad6dkl_m'