Created temporary directory: /tmp/pip-ephem-wheel-cache-1ba2tz3j
Created temporary directory: /tmp/pip-req-tracker-skz84ksh
Created requirements tracker '/tmp/pip-req-tracker-skz84ksh'
Created temporary directory: /tmp/pip-wheel-ad06ipz6
Collecting imgoptimizer==0.0.1
  1 location(s) to search for versions of imgoptimizer:
  * https://pypi.org/simple/imgoptimizer/
  Getting page https://pypi.org/simple/imgoptimizer/
  Analyzing links from page https://pypi.org/simple/imgoptimizer/
    Found link https://files.pythonhosted.org/packages/e9/9d/a794fe88324cc40b93dd7915fa249856415f19ea4353dcfdb4050c049268/imgoptimizer-0.0.1-py3-none-any.whl#sha256=7eef757bb73de0dbaf6dcb0d9a529a031d7ab84b30e0902c155fee3016881c5c (from https://pypi.org/simple/imgoptimizer/), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/af/b7/8d6be86765f133851bf4df54d159098e1c7fc2c0a39b182f2693df0dfdd5/imgoptimizer-0.0.1.tar.gz#sha256=393f60af77a10ec70ccccef8abedc258effca4e7b1650fa17cdc4fbc7edbd79f (from https://pypi.org/simple/imgoptimizer/), version: 0.0.1
  Using version 0.0.1 (newest of versions: 0.0.1)
  Created temporary directory: /tmp/pip-unpack-pneozyss
  Downloading https://files.pythonhosted.org/packages/e9/9d/a794fe88324cc40b93dd7915fa249856415f19ea4353dcfdb4050c049268/imgoptimizer-0.0.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/e9/9d/a794fe88324cc40b93dd7915fa249856415f19ea4353dcfdb4050c049268/imgoptimizer-0.0.1-py3-none-any.whl#sha256=7eef757bb73de0dbaf6dcb0d9a529a031d7ab84b30e0902c155fee3016881c5c (from https://pypi.org/simple/imgoptimizer/)
  Saved /tmp/tmpgncim70j/imgoptimizer-0.0.1-py3-none-any.whl
  Added imgoptimizer==0.0.1 from https://files.pythonhosted.org/packages/e9/9d/a794fe88324cc40b93dd7915fa249856415f19ea4353dcfdb4050c049268/imgoptimizer-0.0.1-py3-none-any.whl#sha256=7eef757bb73de0dbaf6dcb0d9a529a031d7ab84b30e0902c155fee3016881c5c to build tracker '/tmp/pip-req-tracker-skz84ksh'
  Removed imgoptimizer==0.0.1 from https://files.pythonhosted.org/packages/e9/9d/a794fe88324cc40b93dd7915fa249856415f19ea4353dcfdb4050c049268/imgoptimizer-0.0.1-py3-none-any.whl#sha256=7eef757bb73de0dbaf6dcb0d9a529a031d7ab84b30e0902c155fee3016881c5c from build tracker '/tmp/pip-req-tracker-skz84ksh'
Skipping imgoptimizer, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-ad06ipz6/imgoptimizer
Removed build tracker '/tmp/pip-req-tracker-skz84ksh'