Collecting zope.login==2.1.0
  1 location(s) to search for versions of zope.login:
  * https://pypi.python.org/simple/zope-login/
  Getting page https://pypi.python.org/simple/zope-login/
  Analyzing links from page https://pypi.python.org/simple/zope-login/
    Found link https://pypi.python.org/packages/1a/06/0583bbe6f0148bf57ecf4b39f8139a6c097e7264b11a9270ccada7af4d68/zope.login-1.0.0.zip#md5=4eceb766329125a80aee1b4b4809869a (from https://pypi.python.org/simple/zope-login/), version: 1.0.0
    Found link https://pypi.python.org/packages/32/af/96c5641682e5c283fd0f241c63c69d7228f8ce8ca7575206cb7bd673238d/zope.login-2.1.0-py2.py3-none-any.whl#md5=be738777c73e445285dea78364b88fd2 (from https://pypi.python.org/simple/zope-login/), version: 2.1.0
    Found link https://pypi.python.org/packages/c9/9f/e0a25041375a2eca4fdc822f20b44a73fa8c3e93c4a33bf65e60d7c1d283/zope.login-2.0.0a1.tar.gz#md5=8a9d6d15fcfb0e4aec192507c4eb05a0 (from https://pypi.python.org/simple/zope-login/), version: 2.0.0a1
    Found link https://pypi.python.org/packages/cc/8c/5a0db996efd5d74bf67f52576b2e63e48413be996a34192047a4bdcf7ef0/zope.login-2.1.0.tar.gz#md5=570fc66cb936db6521cf642eb2384b7c (from https://pypi.python.org/simple/zope-login/), version: 2.1.0
    Found link https://pypi.python.org/packages/d0/a8/f8ca34a760a0a42ce92f048aa7f2947625d0acca0bac6b34f97b6c0b29da/zope.login-2.0.0.tar.gz#md5=0b239ea287250ee36be8226d07826ea5 (from https://pypi.python.org/simple/zope-login/), version: 2.0.0
  Using version 2.1.0 (newest of versions: 2.1.0)
  Downloading zope.login-2.1.0-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/32/af/96c5641682e5c283fd0f241c63c69d7228f8ce8ca7575206cb7bd673238d/zope.login-2.1.0-py2.py3-none-any.whl#md5=be738777c73e445285dea78364b88fd2 (from https://pypi.python.org/simple/zope-login/)
  Saved /tmp/tmpk8aa880k/zope.login-2.1.0-py2.py3-none-any.whl
Skipping zope.login, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-lufto0z3/zope.login