Collecting cerium==1.0.2
  1 location(s) to search for versions of cerium:
  * https://pypi.python.org/simple/cerium/
  Getting page https://pypi.python.org/simple/cerium/
  Analyzing links from page https://pypi.org/simple/cerium/
    Skipping link https://files.pythonhosted.org/packages/44/bd/158b438deca6cc5192dede90c27a6a24cd1a8bb8e3bc618f61fe82bfc0d2/cerium-1.0.0-py3.6.egg#sha256=85aeb5dfdd622216716354eba982594e65296fd97b98edf46297f3964916f7eb (from https://pypi.org/simple/cerium/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/6f/11/49bf4462c14b4e80ee41799c10473c4b473c938d7395c3fe675d64128fd9/cerium-1.0.0.tar.gz#sha256=5cf13d80bc0135a35901a4d6a61a0c4a22fc09abbe3d208c5e843d18c70c8a3c (from https://pypi.org/simple/cerium/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/20/b8/6687e65c4360d0fe5a7fb3b297bda31f1b7c89738a5cba260ec7e4c32eb6/cerium-1.0.1.tar.gz#sha256=e11b285ca1b155e204474e76352522c0bd6a6bc60166c8f3ea70dc737b09fe51 (from https://pypi.org/simple/cerium/), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/8f/b5/034817aad9e0f7e3f77ca6830d20ef9ea7fe662480a9760996deb58530e3/cerium-1.0.2-py3-none-any.whl#sha256=f73063822829778e2290544b69d1f7d72d4d228d0c13eb0ca97a0e0b079c137d (from https://pypi.org/simple/cerium/), version: 1.0.2
    Found link https://files.pythonhosted.org/packages/26/ca/2b059e424ffd3fc27038795f89c3483b015f0814a7b2c1cc1c132b98cab9/cerium-1.0.2.tar.gz#sha256=22eb982489116c87f70afa51e18f482de1bc8cd8c62c4fb41277ea8c948d05a5 (from https://pypi.org/simple/cerium/), version: 1.0.2
  Using version 1.0.2 (newest of versions: 1.0.2)
  Downloading https://files.pythonhosted.org/packages/8f/b5/034817aad9e0f7e3f77ca6830d20ef9ea7fe662480a9760996deb58530e3/cerium-1.0.2-py3-none-any.whl (839kB)
  Downloading from URL https://files.pythonhosted.org/packages/8f/b5/034817aad9e0f7e3f77ca6830d20ef9ea7fe662480a9760996deb58530e3/cerium-1.0.2-py3-none-any.whl#sha256=f73063822829778e2290544b69d1f7d72d4d228d0c13eb0ca97a0e0b079c137d (from https://pypi.org/simple/cerium/)
  Saved /tmp/tmp__q_n_b6/cerium-1.0.2-py3-none-any.whl
Skipping cerium, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-_bl49ewb/cerium