Collecting neutron==12.0.0.0rc1
  1 location(s) to search for versions of neutron:
  * https://pypi.python.org/simple/neutron/
  Getting page https://pypi.python.org/simple/neutron/
  Analyzing links from page https://pypi.python.org/simple/neutron/
    Found link https://pypi.python.org/packages/1c/b4/3b9b2fbd96c2c73842ea274a414bfe90d5e2dc202523694b3ec6b5012e06/neutron-12.0.0.0rc1.tar.gz#md5=3f13371913c46bd029d02723d579c850 (from https://pypi.python.org/simple/neutron/), version: 12.0.0.0rc1
    Found link https://pypi.python.org/packages/76/5b/b62cd37bcfc4d525ac400d5b0189dca19486ebb6cc0ff5590cd0576b83f4/neutron-12.0.0.0b3.tar.gz#md5=3c13a5bf92692c9a20bd0e35755549db (from https://pypi.python.org/simple/neutron/), version: 12.0.0.0b3
    Found link https://pypi.python.org/packages/85/83/4b55932fc76d98201d63a5609e1846d8cb592b69aadd2914ac0a822e4c30/neutron-12.0.0.0b3-py2.py3-none-any.whl#md5=036b6dfe7030d018ad7d731df0173143 (from https://pypi.python.org/simple/neutron/), version: 12.0.0.0b3
    Found link https://pypi.python.org/packages/d4/35/c78be3b2cbe892d0279e461a8898d837d30176ac1eff2f47f7acaa0b4d6f/neutron-12.0.0.0rc1-py2.py3-none-any.whl#md5=409b16ddc5778acdd85b3640a0636aad (from https://pypi.python.org/simple/neutron/), version: 12.0.0.0rc1
  Using version 12.0.0.0rc1 (newest of versions: 12.0.0.0rc1)
  Downloading neutron-12.0.0.0rc1-py2.py3-none-any.whl (3.2MB)
  Downloading from URL https://pypi.python.org/packages/d4/35/c78be3b2cbe892d0279e461a8898d837d30176ac1eff2f47f7acaa0b4d6f/neutron-12.0.0.0rc1-py2.py3-none-any.whl#md5=409b16ddc5778acdd85b3640a0636aad (from https://pypi.python.org/simple/neutron/)
  Saved /tmp/tmp76m6o00r/neutron-12.0.0.0rc1-py2.py3-none-any.whl
Skipping neutron, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-l__77uwv/neutron