Created temporary directory: /tmp/pip-ephem-wheel-cache-qj3a0yfo
Created temporary directory: /tmp/pip-req-tracker-366yq3y4
Created requirements tracker '/tmp/pip-req-tracker-366yq3y4'
Created temporary directory: /tmp/pip-wheel-nk7p_av6
Collecting polypipe==0.0.0
  1 location(s) to search for versions of polypipe:
  * https://pypi.org/simple/polypipe/
  Getting page https://pypi.org/simple/polypipe/
  Analyzing links from page https://pypi.org/simple/polypipe/
    Found link https://files.pythonhosted.org/packages/d5/57/8565f61121e33c51e71bb3c56a1b94c1bb6ef27b135d898ffb3775932c58/polypipe-0.0.0-py2.py3-none-any.whl#sha256=15b96d2a6173f197c5f478b6aa112994b27b6f0e67a9e8fbe672dc63f266b7ba (from https://pypi.org/simple/polypipe/), version: 0.0.0
    Found link https://files.pythonhosted.org/packages/07/b4/cbeaa734a7c3f9ddc4274c8fef305463d7a3455fbb7f6758629911a5b33d/polypipe-0.0.0.tar.gz#sha256=f73d7a8de7e941b0edd2a1fdb3c59d0d29776c4eb71388ac31e3cb600bbfe4b9 (from https://pypi.org/simple/polypipe/), version: 0.0.0
  Using version 0.0.0 (newest of versions: 0.0.0)
  Created temporary directory: /tmp/pip-unpack-8i8malcg
  Downloading https://files.pythonhosted.org/packages/d5/57/8565f61121e33c51e71bb3c56a1b94c1bb6ef27b135d898ffb3775932c58/polypipe-0.0.0-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/d5/57/8565f61121e33c51e71bb3c56a1b94c1bb6ef27b135d898ffb3775932c58/polypipe-0.0.0-py2.py3-none-any.whl#sha256=15b96d2a6173f197c5f478b6aa112994b27b6f0e67a9e8fbe672dc63f266b7ba (from https://pypi.org/simple/polypipe/)
  Saved /tmp/tmphqfmfwny/polypipe-0.0.0-py2.py3-none-any.whl
  Added polypipe==0.0.0 from https://files.pythonhosted.org/packages/d5/57/8565f61121e33c51e71bb3c56a1b94c1bb6ef27b135d898ffb3775932c58/polypipe-0.0.0-py2.py3-none-any.whl#sha256=15b96d2a6173f197c5f478b6aa112994b27b6f0e67a9e8fbe672dc63f266b7ba to build tracker '/tmp/pip-req-tracker-366yq3y4'
  Removed polypipe==0.0.0 from https://files.pythonhosted.org/packages/d5/57/8565f61121e33c51e71bb3c56a1b94c1bb6ef27b135d898ffb3775932c58/polypipe-0.0.0-py2.py3-none-any.whl#sha256=15b96d2a6173f197c5f478b6aa112994b27b6f0e67a9e8fbe672dc63f266b7ba from build tracker '/tmp/pip-req-tracker-366yq3y4'
Skipping polypipe, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-nk7p_av6/polypipe
Removed build tracker '/tmp/pip-req-tracker-366yq3y4'