Collecting platon==1.2b0
  1 location(s) to search for versions of platon:
  * https://pypi.python.org/simple/platon/
  Getting page https://pypi.python.org/simple/platon/
  Analyzing links from page https://pypi.org/simple/platon/
    Found link https://files.pythonhosted.org/packages/48/67/a255be91a7a32145606ad51cad762595d9ca179cab8f9499b00a1061596b/platon-1.1b0-py3-none-any.whl#sha256=e88aac2b459683fe3d8e8a15df8a19562154fd2aa930d4e7b9dd931a07338dae (from https://pypi.org/simple/platon/), version: 1.1b0
    Found link https://files.pythonhosted.org/packages/9c/74/c2a8dcfc287f9b2eba8825a9e392f26c2f33e78844f7392afa865f1624ea/platon-1.1b0.tar.gz#sha256=d0864364191dde4fcfdb66ce9b3913231acd8abf36dc60b3120e2f6417e35e65 (from https://pypi.org/simple/platon/), version: 1.1b0
    Found link https://files.pythonhosted.org/packages/79/24/993123bd8e233f668eb8b82631cca2256817afbd571ce60079ff216924e3/platon-1.2b0-py3-none-any.whl#sha256=dcb110eff4ce230223a1174f5e4a0d9ba2b4389f23408f2b1081021ad5ebe3c3 (from https://pypi.org/simple/platon/), version: 1.2b0
    Found link https://files.pythonhosted.org/packages/99/ea/f0b0a1bae642b3f4e141041f9a5f8c5683f341fd129ce504ee63b525133c/platon-1.2b0.tar.gz#sha256=d8fed0f6ab84693abf85bc11dccdb250a2b0187631f7e667811af1d91908c3e6 (from https://pypi.org/simple/platon/), version: 1.2b0
  Using version 1.2b0 (newest of versions: 1.2b0)
  Downloading https://files.pythonhosted.org/packages/79/24/993123bd8e233f668eb8b82631cca2256817afbd571ce60079ff216924e3/platon-1.2b0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/79/24/993123bd8e233f668eb8b82631cca2256817afbd571ce60079ff216924e3/platon-1.2b0-py3-none-any.whl#sha256=dcb110eff4ce230223a1174f5e4a0d9ba2b4389f23408f2b1081021ad5ebe3c3 (from https://pypi.org/simple/platon/)
  Saved /tmp/tmp_t7vnjzr/platon-1.2b0-py3-none-any.whl
Skipping platon, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-v7ygsyqk/platon