Collecting fcm-client==0.2.1
  1 location(s) to search for versions of fcm-client:
  * https://pypi.python.org/simple/fcm-client/
  Getting page https://pypi.python.org/simple/fcm-client/
  Analyzing links from page https://pypi.org/simple/fcm-client/
    Found link https://files.pythonhosted.org/packages/b1/64/3495af3689115adca1cd457430cd221f84b612e1140b0440943468f9bca5/fcm-client-0.2.1.tar.gz#sha256=4c72252f5e5aa245d4a4f3c21aeebbc2159e8cdd4d2154b13aff2c06a9ba0ce7 (from https://pypi.org/simple/fcm-client/), version: 0.2.1
    Skipping link https://files.pythonhosted.org/packages/67/0a/0c19cb603f51de0c640b7e20e2c763ce009dd027bf6a039dbaeebac0c32d/fcm_client-0.2.1-py2-none-any.whl#sha256=6280bc11c98eab3e379349a52f98034881f4d9d643c2fa919310879356d100ae (from https://pypi.org/simple/fcm-client/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/d6/d9/cf8ced16d30155e839e97031efa016e4a28a3cfd734f8d998b71add0224e/fcm_client-0.2.1-py3-none-any.whl#sha256=b078b1b5d4021b180e7447532d7ed307d9849cd900120007160db9dc06ad1dbe (from https://pypi.org/simple/fcm-client/), version: 0.2.1
  Using version 0.2.1 (newest of versions: 0.2.1)
  Downloading https://files.pythonhosted.org/packages/d6/d9/cf8ced16d30155e839e97031efa016e4a28a3cfd734f8d998b71add0224e/fcm_client-0.2.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/d6/d9/cf8ced16d30155e839e97031efa016e4a28a3cfd734f8d998b71add0224e/fcm_client-0.2.1-py3-none-any.whl#sha256=b078b1b5d4021b180e7447532d7ed307d9849cd900120007160db9dc06ad1dbe (from https://pypi.org/simple/fcm-client/)
  Saved /tmp/tmpoalne9a1/fcm_client-0.2.1-py3-none-any.whl
Skipping fcm-client, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-yuik4l0z/fcm-client