Created temporary directory: /tmp/pip-ephem-wheel-cache-ommpts65
Created temporary directory: /tmp/pip-req-tracker-l0e8vpnu
Created requirements tracker '/tmp/pip-req-tracker-l0e8vpnu'
Created temporary directory: /tmp/pip-wheel-ibfsp9qi
Collecting plotly-express==0.1a2
  1 location(s) to search for versions of plotly-express:
  * https://pypi.org/simple/plotly-express/
  Getting page https://pypi.org/simple/plotly-express/
  Analyzing links from page https://pypi.org/simple/plotly-express/
    Found link https://files.pythonhosted.org/packages/a9/ac/77258d2282b93d5f96a017fbbd94191b3d9503e98db50fec879baab696cd/plotly_express-0.1a1-py2.py3-none-any.whl#sha256=c99528f898dd783fbd7a0db13eeeebaba1ad6845224a1a13dec02053642f47c8 (from https://pypi.org/simple/plotly-express/), version: 0.1a1
    Found link https://files.pythonhosted.org/packages/70/e3/e2c03f500a66a7786729408f4fd128e281ba9b05eadcb401dd8137298587/plotly_express-0.1a1.tar.gz#sha256=b4de9d660c1be552f368d21f7c6a01e66630067cfacb6bc00ae2799bdc50bc89 (from https://pypi.org/simple/plotly-express/), version: 0.1a1
    Found link https://files.pythonhosted.org/packages/a6/6f/a939b5371a0fa61327b205b7136bcf05e6fdabb887d260ee324509015807/plotly_express-0.1a2-py2.py3-none-any.whl#sha256=cfa0ad5368459c2cd3178f39bde8f49e2bee7c73fcfec49af9f6ad7c6034a666 (from https://pypi.org/simple/plotly-express/), version: 0.1a2
    Found link https://files.pythonhosted.org/packages/1c/b0/e5f93a2829d196df4fefedbad9ca19c79aca72bf3dfbf9b794650b475627/plotly_express-0.1a2.tar.gz#sha256=2f34572812cda4f863bea38e255c39c5ccd26513c5974415f6fbacd7f931a57e (from https://pypi.org/simple/plotly-express/), version: 0.1a2
  Using version 0.1a2 (newest of versions: 0.1a2)
  Created temporary directory: /tmp/pip-unpack-ms_odpjb
  Downloading https://files.pythonhosted.org/packages/a6/6f/a939b5371a0fa61327b205b7136bcf05e6fdabb887d260ee324509015807/plotly_express-0.1a2-py2.py3-none-any.whl (54kB)
  Downloading from URL https://files.pythonhosted.org/packages/a6/6f/a939b5371a0fa61327b205b7136bcf05e6fdabb887d260ee324509015807/plotly_express-0.1a2-py2.py3-none-any.whl#sha256=cfa0ad5368459c2cd3178f39bde8f49e2bee7c73fcfec49af9f6ad7c6034a666 (from https://pypi.org/simple/plotly-express/)
  Saved /tmp/tmpfebci_l7/plotly_express-0.1a2-py2.py3-none-any.whl
  Added plotly-express==0.1a2 from https://files.pythonhosted.org/packages/a6/6f/a939b5371a0fa61327b205b7136bcf05e6fdabb887d260ee324509015807/plotly_express-0.1a2-py2.py3-none-any.whl#sha256=cfa0ad5368459c2cd3178f39bde8f49e2bee7c73fcfec49af9f6ad7c6034a666 to build tracker '/tmp/pip-req-tracker-l0e8vpnu'
  Removed plotly-express==0.1a2 from https://files.pythonhosted.org/packages/a6/6f/a939b5371a0fa61327b205b7136bcf05e6fdabb887d260ee324509015807/plotly_express-0.1a2-py2.py3-none-any.whl#sha256=cfa0ad5368459c2cd3178f39bde8f49e2bee7c73fcfec49af9f6ad7c6034a666 from build tracker '/tmp/pip-req-tracker-l0e8vpnu'
Skipping plotly-express, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-ibfsp9qi/plotly-express
Removed build tracker '/tmp/pip-req-tracker-l0e8vpnu'