Collecting ply==3.11
  1 location(s) to search for versions of ply:
  * https://pypi.python.org/simple/ply/
  Getting page https://pypi.python.org/simple/ply/
  Analyzing links from page https://pypi.python.org/simple/ply/
    Found link https://pypi.python.org/packages/40/7d/95a7a67fb4c2205d0cbf89e8fabb7b49b4ed812ffdab45510d124bc2bd7e/ply-3.4.tar.gz#md5=ffdc95858819347bf92d7c2acc074894 (from https://pypi.python.org/simple/ply/), version: 3.4
    Found link https://pypi.python.org/packages/7f/ea/6aff5b67ddb00d38fa6498df2010b50529700621353d38ac29d25ddb0845/ply-3.6.tar.gz#md5=7aa0e8749d2377a863f477a7d67524d2 (from https://pypi.python.org/simple/ply/), version: 3.6
    Found link https://pypi.python.org/packages/96/e0/430fcdb6b3ef1ae534d231397bee7e9304be14a47a267e82ebcb3323d0b5/ply-3.8.tar.gz#md5=94726411496c52c87c2b9429b12d5c50 (from https://pypi.python.org/simple/ply/), version: 3.8
    Found link https://pypi.python.org/packages/a3/58/35da89ee790598a0700ea49b2a66594140f44dec458c07e8e3d4979137fc/ply-3.11-py2.py3-none-any.whl#md5=62b6ad5affddc9926ab5571f390cc840 (from https://pypi.python.org/simple/ply/), version: 3.11
    Found link https://pypi.python.org/packages/a8/4d/487e12d0478ee0cbb15d6fe9b8916e98fe4e2fce4cc65e4de309209c0b24/ply-3.9.tar.gz#md5=c5c5767376eff902617fd9874f0c76b7 (from https://pypi.python.org/simple/ply/), version: 3.9
    Found link https://pypi.python.org/packages/ce/3d/1f9ca69192025046f02a02ffc61bfbac2731aab06325a218370fd93e18df/ply-3.10.tar.gz#md5=1d63c166ab250bab87d8dcc42dcca70e (from https://pypi.python.org/simple/ply/), version: 3.10
    Found link https://pypi.python.org/packages/e5/69/882ee5c9d017149285cab114ebeab373308ef0f874fcdac9beb90e0ac4da/ply-3.11.tar.gz#md5=6465f602e656455affcd7c5734c638f8 (from https://pypi.python.org/simple/ply/), version: 3.11
  Using version 3.11 (newest of versions: 3.11)
  Downloading ply-3.11-py2.py3-none-any.whl (49kB)
  Downloading from URL https://pypi.python.org/packages/a3/58/35da89ee790598a0700ea49b2a66594140f44dec458c07e8e3d4979137fc/ply-3.11-py2.py3-none-any.whl#md5=62b6ad5affddc9926ab5571f390cc840 (from https://pypi.python.org/simple/ply/)
  Saved /tmp/tmpcck2ogun/ply-3.11-py2.py3-none-any.whl
Skipping ply, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-oqt9k49x/ply