Created temporary directory: /tmp/pip-ephem-wheel-cache-imloirr_
Created temporary directory: /tmp/pip-req-tracker-wxaw5q01
Created requirements tracker '/tmp/pip-req-tracker-wxaw5q01'
Created temporary directory: /tmp/pip-wheel-fj6mw_sh
Collecting gridlock==0.4
  1 location(s) to search for versions of gridlock:
  * https://pypi.org/simple/gridlock/
  Getting page https://pypi.org/simple/gridlock/
  Analyzing links from page https://pypi.org/simple/gridlock/
    Found link https://files.pythonhosted.org/packages/25/37/a98971b16e7044d7eb0a7b4595906184e654b350b50971c5439dc70a7f75/gridlock-0.3-py3-none-any.whl#sha256=24bad23b96ae474b2b1151d9eed5dc17a86fb45fc71a3887a38862ebae073775 (from https://pypi.org/simple/gridlock/), version: 0.3
    Found link https://files.pythonhosted.org/packages/63/27/65beb5bc49e7a9e9f8e72cc7b114298da8799784b323f3e4627d9cf92d06/gridlock-0.3.tar.gz#sha256=0b80afb1695c1aa5e1e9ad56b863680ecdb24e5f11c532f7aabdbdd44930d225 (from https://pypi.org/simple/gridlock/), version: 0.3
    Found link https://files.pythonhosted.org/packages/12/c7/16a4d1fe7c23bf6ccbe5fb07964fd7f7b9223642fe7eec56cc57c9e91b6b/gridlock-0.4-py3-none-any.whl#sha256=7f69055f9401f3307902c16b47066de03bab974901d4377ee0f21b706809462a (from https://pypi.org/simple/gridlock/), version: 0.4
    Found link https://files.pythonhosted.org/packages/76/f4/37ff81b3178be2f3763a40b947b3e1d7848d4f516b9b7e8f4e24c3c79108/gridlock-0.4.tar.gz#sha256=52cf16518d1ea667dbfa91d1458e0a57375ba7476f82259f4250b575bc9c7f01 (from https://pypi.org/simple/gridlock/), version: 0.4
  Using version 0.4 (newest of versions: 0.4)
  Created temporary directory: /tmp/pip-unpack-vy2wxt2q
  Downloading https://files.pythonhosted.org/packages/12/c7/16a4d1fe7c23bf6ccbe5fb07964fd7f7b9223642fe7eec56cc57c9e91b6b/gridlock-0.4-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/12/c7/16a4d1fe7c23bf6ccbe5fb07964fd7f7b9223642fe7eec56cc57c9e91b6b/gridlock-0.4-py3-none-any.whl#sha256=7f69055f9401f3307902c16b47066de03bab974901d4377ee0f21b706809462a (from https://pypi.org/simple/gridlock/)
  Saved /tmp/tmpeb_nggu7/gridlock-0.4-py3-none-any.whl
  Added gridlock==0.4 from https://files.pythonhosted.org/packages/12/c7/16a4d1fe7c23bf6ccbe5fb07964fd7f7b9223642fe7eec56cc57c9e91b6b/gridlock-0.4-py3-none-any.whl#sha256=7f69055f9401f3307902c16b47066de03bab974901d4377ee0f21b706809462a to build tracker '/tmp/pip-req-tracker-wxaw5q01'
  Removed gridlock==0.4 from https://files.pythonhosted.org/packages/12/c7/16a4d1fe7c23bf6ccbe5fb07964fd7f7b9223642fe7eec56cc57c9e91b6b/gridlock-0.4-py3-none-any.whl#sha256=7f69055f9401f3307902c16b47066de03bab974901d4377ee0f21b706809462a from build tracker '/tmp/pip-req-tracker-wxaw5q01'
Skipping gridlock, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-fj6mw_sh/gridlock
Removed build tracker '/tmp/pip-req-tracker-wxaw5q01'