Created temporary directory: /tmp/pip-ephem-wheel-cache-fxf3wig2
Created temporary directory: /tmp/pip-req-tracker-bm9yudyl
Created requirements tracker '/tmp/pip-req-tracker-bm9yudyl'
Created temporary directory: /tmp/pip-wheel-wkfw8fiu
Collecting pychangcooper==0.5.1
  1 location(s) to search for versions of pychangcooper:
  * https://pypi.org/simple/pychangcooper/
  Getting page https://pypi.org/simple/pychangcooper/
  Analyzing links from page https://pypi.org/simple/pychangcooper/
    Skipping link https://files.pythonhosted.org/packages/38/be/172f263b7ccbdbc244b79cf29b86952f84a1cac44dc3029062de3d1c65eb/pychangcooper-0.2.0-py2.7.egg#sha256=bb86570ad949e201df8e26dd9737817bccc36eb4cae8bc531b48ef59aab2aff5 (from https://pypi.org/simple/pychangcooper/) (requires-python:>=3.5.0); unsupported archive format: .egg
    Skipping link https://files.pythonhosted.org/packages/2e/e6/e07292b9c55db0d3d475a978fc09b58d0f12a35292aa1bca63b9187f3d73/pychangcooper-0.2.0-py3.7.egg#sha256=979432f9992b9bebb690bf6c63e1278369d93d860d177d67dbf48bc091b75a6e (from https://pypi.org/simple/pychangcooper/) (requires-python:>=3.5.0); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/06/5e/b261a5447e81f1cc7d19be1f0b9618613b546895f9c202eacf0e2a87c9bb/pychangcooper-0.5.1-py3-none-any.whl#sha256=71fb1140ff8b8acf25951d75514565b25b4e653ada37841d81de1128608bae0d (from https://pypi.org/simple/pychangcooper/), version: 0.5.1
    Found link https://files.pythonhosted.org/packages/f5/7e/444a12769e0d9206070480070a9bd9dae9eff1edbd859802a69a26ff861a/pychangcooper-0.5.1.tar.gz#sha256=3e6c00793b0bda8d521cd5cdf416002936feb3359f24f516d5771922a448b9c1 (from https://pypi.org/simple/pychangcooper/), version: 0.5.1
  Using version 0.5.1 (newest of versions: 0.5.1)
  Created temporary directory: /tmp/pip-unpack-mogbi162
  Downloading https://files.pythonhosted.org/packages/06/5e/b261a5447e81f1cc7d19be1f0b9618613b546895f9c202eacf0e2a87c9bb/pychangcooper-0.5.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/06/5e/b261a5447e81f1cc7d19be1f0b9618613b546895f9c202eacf0e2a87c9bb/pychangcooper-0.5.1-py3-none-any.whl#sha256=71fb1140ff8b8acf25951d75514565b25b4e653ada37841d81de1128608bae0d (from https://pypi.org/simple/pychangcooper/)
  Saved /tmp/tmpljk5ymf6/pychangcooper-0.5.1-py3-none-any.whl
  Added pychangcooper==0.5.1 from https://files.pythonhosted.org/packages/06/5e/b261a5447e81f1cc7d19be1f0b9618613b546895f9c202eacf0e2a87c9bb/pychangcooper-0.5.1-py3-none-any.whl#sha256=71fb1140ff8b8acf25951d75514565b25b4e653ada37841d81de1128608bae0d to build tracker '/tmp/pip-req-tracker-bm9yudyl'
  Removed pychangcooper==0.5.1 from https://files.pythonhosted.org/packages/06/5e/b261a5447e81f1cc7d19be1f0b9618613b546895f9c202eacf0e2a87c9bb/pychangcooper-0.5.1-py3-none-any.whl#sha256=71fb1140ff8b8acf25951d75514565b25b4e653ada37841d81de1128608bae0d from build tracker '/tmp/pip-req-tracker-bm9yudyl'
Skipping pychangcooper, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-wkfw8fiu/pychangcooper
Removed build tracker '/tmp/pip-req-tracker-bm9yudyl'