Collecting zope.principalregistry==4.2.0
  1 location(s) to search for versions of zope.principalregistry:
  * https://pypi.python.org/simple/zope-principalregistry/
  Getting page https://pypi.python.org/simple/zope-principalregistry/
  Analyzing links from page https://pypi.python.org/simple/zope-principalregistry/
    Found link https://pypi.python.org/packages/16/76/cdd2ed46b5d427333f4046886b0667b68e7ea6dacbc0d4f3c099ae543f65/zope.principalregistry-3.7.1.tar.gz#md5=9b90adc7915d9bbed4237db432fc70c2 (from https://pypi.python.org/simple/zope-principalregistry/), version: 3.7.1
    Found link https://pypi.python.org/packages/5c/06/b9a3f48cc50a4cb955270dbd53f3981a2fe93ed001e823e12637c6a4e152/zope.principalregistry-4.0.0a1.zip#md5=e1bda1cf68e0ecee8a957df9e84d5ccb (from https://pypi.python.org/simple/zope-principalregistry/), version: 4.0.0a1
    Found link https://pypi.python.org/packages/85/04/dd46f869f40d54277de398ecde717c0ce667ae8337fe29c6e3be633db554/zope.principalregistry-4.0.0a2.zip#md5=66f361ad9a228b41eec939c3310cba72 (from https://pypi.python.org/simple/zope-principalregistry/), version: 4.0.0a2
    Found link https://pypi.python.org/packages/89/40/82adcc5e23844792d9621d416a96383aa833cc1124562c7cc198ad9bb386/zope.principalregistry-4.1.0.tar.gz#md5=8c6e26243b8df2d799b2e74844039e57 (from https://pypi.python.org/simple/zope-principalregistry/), version: 4.1.0
    Found link https://pypi.python.org/packages/92/29/a57758e0bdf4a4a5f2bcea9d6cd4b6d3c1add65e32935ac4ea750e0e7a9f/zope.principalregistry-3.7.0.tar.gz#md5=34315cfe28a6d82a429bed786d067cdd (from https://pypi.python.org/simple/zope-principalregistry/), version: 3.7.0
    Found link https://pypi.python.org/packages/c0/ec/bc77a99803509605c66d652d6d60208a1a728644d3a35f989ddd5999757b/zope.principalregistry-4.0.0.tar.gz#md5=c4de04558e567dde268095f15a940638 (from https://pypi.python.org/simple/zope-principalregistry/), version: 4.0.0
    Found link https://pypi.python.org/packages/c3/de/b9caea333e3df94cd04b144e40a4770a139bf1237bdd6913c9a521075d74/zope.principalregistry-4.2.0-py2.py3-none-any.whl#md5=878f7d792947831d48afaa4cbc92030b (from https://pypi.python.org/simple/zope-principalregistry/), version: 4.2.0
    Found link https://pypi.python.org/packages/d1/9c/976a1f4609bd02add4c6539537194b31fa963d1b75081438de2d097a2fe5/zope.principalregistry-4.2.0.tar.gz#md5=1e6a041d534d4c23582631be34c2ac02 (from https://pypi.python.org/simple/zope-principalregistry/), version: 4.2.0
    Found link https://pypi.python.org/packages/fc/66/6b31fb7927ba26d974622798c7bf59950da7c83a03982494c19d785697f7/zope.principalregistry-4.1.0-py2.py3-none-any.whl#md5=b629e05459f7cf5a552be2410d3d2c0d (from https://pypi.python.org/simple/zope-principalregistry/), version: 4.1.0
  Using version 4.2.0 (newest of versions: 4.2.0)
  Downloading zope.principalregistry-4.2.0-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/c3/de/b9caea333e3df94cd04b144e40a4770a139bf1237bdd6913c9a521075d74/zope.principalregistry-4.2.0-py2.py3-none-any.whl#md5=878f7d792947831d48afaa4cbc92030b (from https://pypi.python.org/simple/zope-principalregistry/)
  Saved /tmp/tmptmk6lj33/zope.principalregistry-4.2.0-py2.py3-none-any.whl
Skipping zope.principalregistry, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-w42g4rek/zope.principalregistry