Created temporary directory: /tmp/pip-ephem-wheel-cache-sfnbum_h
Created temporary directory: /tmp/pip-req-tracker-4scgkzvu
Created requirements tracker '/tmp/pip-req-tracker-4scgkzvu'
Created temporary directory: /tmp/pip-wheel-bvvgo9hu
Looking in indexes: https://pypi.python.org/simple
Collecting zope.principalannotation==4.3.0
  1 location(s) to search for versions of zope.principalannotation:
  * https://pypi.python.org/simple/zope-principalannotation/
  Getting page https://pypi.python.org/simple/zope-principalannotation/
  Analyzing links from page https://pypi.org/simple/zope-principalannotation/
    Found link https://files.pythonhosted.org/packages/51/61/07407030a1b57c29223ca59abceaebe9df9f09b2c6ab6023efb096e6525e/zope.principalannotation-3.6.0.tar.gz#sha256=a55be7e946023e0ec7c0abc16e945c756df1890ada71e695c8774a9bddfe0bd6 (from https://pypi.org/simple/zope-principalannotation/), version: 3.6.0
    Found link https://files.pythonhosted.org/packages/aa/73/02c81eabd2b18f63ed6011383c37838701d0d6648e24525751f4622a4d44/zope.principalannotation-3.6.1.tar.gz#sha256=8d20f529fc442f52c69e7b38b3f1ac840e897c51f0661ec02cc252ed0c31a5d8 (from https://pypi.org/simple/zope-principalannotation/), version: 3.6.1
    Found link https://files.pythonhosted.org/packages/b9/fa/7c47568372cd363561dc14f8642616675998c0952f56db1be73095767e79/zope.principalannotation-4.0.0a1.zip#sha256=adee4dbd414dda0fa21d363fde2d7b84c62c466ea0527ed04ee10988d3a37b84 (from https://pypi.org/simple/zope-principalannotation/), version: 4.0.0a1
    Found link https://files.pythonhosted.org/packages/5d/41/f2d2d21e373508ad8c954c5855c4ef79072bb8983da066288891166e4d44/zope.principalannotation-4.0.0a2.zip#sha256=8fb191ab43226ac9c3e818fba074f9457b80c1986842488ba0a29328294f5db4 (from https://pypi.org/simple/zope-principalannotation/), version: 4.0.0a2
    Found link https://files.pythonhosted.org/packages/38/bb/2fa93f55e4be92f8b8365173ec2653741c0a9a9f82a6b4823bb4a220d8c3/zope.principalannotation-4.0.0.tar.gz#sha256=bbb75f686030d9aafb56edc0cf97170bd81c9e09548ad7dfc50b90599f9e9c28 (from https://pypi.org/simple/zope-principalannotation/), version: 4.0.0
    Found link https://files.pythonhosted.org/packages/32/55/b6b4155ef50de130a83cbfba6ab5483eae8cdcea4e729b65501b602e9972/zope.principalannotation-4.1.0.tar.gz#sha256=e7543348f8b0129c569d990fce175412169df8d88a4311abdcb7f35ff837fdf4 (from https://pypi.org/simple/zope-principalannotation/), version: 4.1.0
    Found link https://files.pythonhosted.org/packages/93/ec/738a49c913ae66a5f0ce6cd005e78646ac981bfd3fda7f1e4ae598a902b5/zope.principalannotation-4.1.1.tar.gz#sha256=2a527b98d4c1bb9c69ae1bb3ecfba977bba60956790e02e993bcb3a6a2772a11 (from https://pypi.org/simple/zope-principalannotation/), version: 4.1.1
    Found link https://files.pythonhosted.org/packages/37/c2/b801d9b5f9bf1a5c5ce3dc149ef7359dc60d0217c413dda5b9f865dad7f4/zope.principalannotation-4.2.0-py2.py3-none-any.whl#sha256=13328776201cf323aa635ef030e144422e8119e38a525403119c029226e2ca7c (from https://pypi.org/simple/zope-principalannotation/), version: 4.2.0
    Found link https://files.pythonhosted.org/packages/34/f5/949e28fb4b969fbfa510d71531e1e8179d154fdb4de08717bdeda9ab2e5f/zope.principalannotation-4.2.0.tar.gz#sha256=db6099dd16756c6904df6dc89e9266f5e5503e57d0cc3b362d170835b82855bf (from https://pypi.org/simple/zope-principalannotation/), version: 4.2.0
    Found link https://files.pythonhosted.org/packages/81/60/a386218c6d072be82904eae765b9d337032a75335b17ccccce65440f22ed/zope.principalannotation-4.3.0-py2.py3-none-any.whl#sha256=c415829668d42fd80573e458cb616a78adac6c36ce106fd9cc82811dfec2c2fd (from https://pypi.org/simple/zope-principalannotation/), version: 4.3.0
    Found link https://files.pythonhosted.org/packages/e3/52/c3d05999a23f5b1ab9011fd96d19c672752087613aa3db721b0175a43117/zope.principalannotation-4.3.0.tar.gz#sha256=a05c0facf8ec9901f1b05d44d4b9adf70bf501fb70baf177f442cd9a4485b96f (from https://pypi.org/simple/zope-principalannotation/), version: 4.3.0
  Using version 4.3.0 (newest of versions: 4.3.0)
  Created temporary directory: /tmp/pip-unpack-dt3a2an3
  Downloading https://files.pythonhosted.org/packages/81/60/a386218c6d072be82904eae765b9d337032a75335b17ccccce65440f22ed/zope.principalannotation-4.3.0-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/81/60/a386218c6d072be82904eae765b9d337032a75335b17ccccce65440f22ed/zope.principalannotation-4.3.0-py2.py3-none-any.whl#sha256=c415829668d42fd80573e458cb616a78adac6c36ce106fd9cc82811dfec2c2fd (from https://pypi.org/simple/zope-principalannotation/)
  Saved /tmp/tmpns1hbqnr/zope.principalannotation-4.3.0-py2.py3-none-any.whl
  Added zope.principalannotation==4.3.0 from https://files.pythonhosted.org/packages/81/60/a386218c6d072be82904eae765b9d337032a75335b17ccccce65440f22ed/zope.principalannotation-4.3.0-py2.py3-none-any.whl#sha256=c415829668d42fd80573e458cb616a78adac6c36ce106fd9cc82811dfec2c2fd to build tracker '/tmp/pip-req-tracker-4scgkzvu'
  Removed zope.principalannotation==4.3.0 from https://files.pythonhosted.org/packages/81/60/a386218c6d072be82904eae765b9d337032a75335b17ccccce65440f22ed/zope.principalannotation-4.3.0-py2.py3-none-any.whl#sha256=c415829668d42fd80573e458cb616a78adac6c36ce106fd9cc82811dfec2c2fd from build tracker '/tmp/pip-req-tracker-4scgkzvu'
Skipping zope.principalannotation, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-bvvgo9hu/zope.principalannotation
Removed build tracker '/tmp/pip-req-tracker-4scgkzvu'