Created temporary directory: /tmp/pip-ephem-wheel-cache-0hes0rvh
Created temporary directory: /tmp/pip-req-tracker-gn3zbl7y
Created requirements tracker '/tmp/pip-req-tracker-gn3zbl7y'
Created temporary directory: /tmp/pip-wheel-awb3gi_s
Collecting popex==1.0.0
  1 location(s) to search for versions of popex:
  * https://pypi.org/simple/popex/
  Getting page https://pypi.org/simple/popex/
  Analyzing links from page https://pypi.org/simple/popex/
    Found link https://files.pythonhosted.org/packages/ca/fb/7b5ea9e14e91c45ac25bb13bc62cdef7eebe2e4739685f85da981442bd52/popex-1.0.0-py3-none-any.whl#sha256=3028fdb4e5a34fab46cd6b66c129e693f55860730fa553a6db69740ca69937af (from https://pypi.org/simple/popex/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/e1/21/21509ffa1f5d8e89c4d7c7377d791534ca64dfdc0ab01207fb385d6fd797/popex-1.0.0.tar.gz#sha256=3cd6fc9e40fd2062672d9d875f95e24891098d9e5d913d97c82ad441f7a7a330 (from https://pypi.org/simple/popex/), version: 1.0.0
  Using version 1.0.0 (newest of versions: 1.0.0)
  Created temporary directory: /tmp/pip-unpack-ubb768b8
  Downloading https://files.pythonhosted.org/packages/ca/fb/7b5ea9e14e91c45ac25bb13bc62cdef7eebe2e4739685f85da981442bd52/popex-1.0.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/ca/fb/7b5ea9e14e91c45ac25bb13bc62cdef7eebe2e4739685f85da981442bd52/popex-1.0.0-py3-none-any.whl#sha256=3028fdb4e5a34fab46cd6b66c129e693f55860730fa553a6db69740ca69937af (from https://pypi.org/simple/popex/)
  Saved /tmp/tmp8ud96o9m/popex-1.0.0-py3-none-any.whl
  Added popex==1.0.0 from https://files.pythonhosted.org/packages/ca/fb/7b5ea9e14e91c45ac25bb13bc62cdef7eebe2e4739685f85da981442bd52/popex-1.0.0-py3-none-any.whl#sha256=3028fdb4e5a34fab46cd6b66c129e693f55860730fa553a6db69740ca69937af to build tracker '/tmp/pip-req-tracker-gn3zbl7y'
  Removed popex==1.0.0 from https://files.pythonhosted.org/packages/ca/fb/7b5ea9e14e91c45ac25bb13bc62cdef7eebe2e4739685f85da981442bd52/popex-1.0.0-py3-none-any.whl#sha256=3028fdb4e5a34fab46cd6b66c129e693f55860730fa553a6db69740ca69937af from build tracker '/tmp/pip-req-tracker-gn3zbl7y'
Skipping popex, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-awb3gi_s/popex
Removed build tracker '/tmp/pip-req-tracker-gn3zbl7y'