Created temporary directory: /tmp/pip-ephem-wheel-cache-qjr_3io1
Created temporary directory: /tmp/pip-req-tracker-zrybjq9s
Created requirements tracker '/tmp/pip-req-tracker-zrybjq9s'
Created temporary directory: /tmp/pip-wheel-8qac0al3
Collecting pyflakes==2.2.0
  1 location(s) to search for versions of pyflakes:
  * https://pypi.org/simple/pyflakes/
  Getting page https://pypi.org/simple/pyflakes/
  Analyzing links from page https://pypi.org/simple/pyflakes/
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  Using version 2.2.0 (newest of versions: 2.2.0)
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  Downloading https://files.pythonhosted.org/packages/69/5b/fd01b0c696f2f9a6d2c839883b642493b431f28fa32b29abc465ef675473/pyflakes-2.2.0-py2.py3-none-any.whl (66kB)
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  Saved /tmp/tmplg11yvh7/pyflakes-2.2.0-py2.py3-none-any.whl
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Skipping pyflakes, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-8qac0al3/pyflakes
Removed build tracker '/tmp/pip-req-tracker-zrybjq9s'