Created temporary directory: /tmp/pip-ephem-wheel-cache-0y11hljc
Created temporary directory: /tmp/pip-req-tracker-_rqnksu7
Created requirements tracker '/tmp/pip-req-tracker-_rqnksu7'
Created temporary directory: /tmp/pip-wheel-i40ypujv
Collecting plotly-express==0.2.1
  1 location(s) to search for versions of plotly-express:
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  Getting page https://pypi.org/simple/plotly-express/
  Analyzing links from page https://pypi.org/simple/plotly-express/
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  Using version 0.2.1 (newest of versions: 0.2.1)
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  Downloading https://files.pythonhosted.org/packages/66/73/e434f182d528f0302795a027c297c693a70af43c23fa7bfee5ca19551d20/plotly_express-0.2.1-py2.py3-none-any.whl (74kB)
  Downloading from URL https://files.pythonhosted.org/packages/66/73/e434f182d528f0302795a027c297c693a70af43c23fa7bfee5ca19551d20/plotly_express-0.2.1-py2.py3-none-any.whl#sha256=bae1ed80039321b0c1b74d8169042c6a32ca5f5215a928f1cceffdad63ef057f (from https://pypi.org/simple/plotly-express/)
  Saved /tmp/tmp2w79fxfl/plotly_express-0.2.1-py2.py3-none-any.whl
  Added plotly-express==0.2.1 from https://files.pythonhosted.org/packages/66/73/e434f182d528f0302795a027c297c693a70af43c23fa7bfee5ca19551d20/plotly_express-0.2.1-py2.py3-none-any.whl#sha256=bae1ed80039321b0c1b74d8169042c6a32ca5f5215a928f1cceffdad63ef057f to build tracker '/tmp/pip-req-tracker-_rqnksu7'
  Removed plotly-express==0.2.1 from https://files.pythonhosted.org/packages/66/73/e434f182d528f0302795a027c297c693a70af43c23fa7bfee5ca19551d20/plotly_express-0.2.1-py2.py3-none-any.whl#sha256=bae1ed80039321b0c1b74d8169042c6a32ca5f5215a928f1cceffdad63ef057f from build tracker '/tmp/pip-req-tracker-_rqnksu7'
Skipping plotly-express, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-i40ypujv/plotly-express
Removed build tracker '/tmp/pip-req-tracker-_rqnksu7'