Created temporary directory: /tmp/pip-ephem-wheel-cache-fxiprf88
Created temporary directory: /tmp/pip-req-tracker-tfb5bcwa
Created requirements tracker '/tmp/pip-req-tracker-tfb5bcwa'
Created temporary directory: /tmp/pip-wheel-niyk3pd_
Collecting black-nb==0.0.1
  1 location(s) to search for versions of black-nb:
  * https://pypi.org/simple/black-nb/
  Getting page https://pypi.org/simple/black-nb/
  Analyzing links from page https://pypi.org/simple/black-nb/
    Found link https://files.pythonhosted.org/packages/48/db/03d88127126f07dd0a5989271f50a6518ae8dd1aab61f3b1305d3c41a272/black-nb-0.0.1.tar.gz#sha256=117aa760c6be2cda3e870214b2504618bbc4e3434d770bc9333be8ee1ad524ab (from https://pypi.org/simple/black-nb/), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/25/0a/fccef870cb366751fbec08de65f0000aa5c824a36b2eca066995e8548e36/black_nb-0.0.1-py3-none-any.whl#sha256=c10c8d1d9b2c1a0ae7595588e7b9cf237edd4ff903d43f87e887399b844791d9 (from https://pypi.org/simple/black-nb/), version: 0.0.1
  Using version 0.0.1 (newest of versions: 0.0.1)
  Created temporary directory: /tmp/pip-unpack-dcnsm38v
  Downloading https://files.pythonhosted.org/packages/25/0a/fccef870cb366751fbec08de65f0000aa5c824a36b2eca066995e8548e36/black_nb-0.0.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/25/0a/fccef870cb366751fbec08de65f0000aa5c824a36b2eca066995e8548e36/black_nb-0.0.1-py3-none-any.whl#sha256=c10c8d1d9b2c1a0ae7595588e7b9cf237edd4ff903d43f87e887399b844791d9 (from https://pypi.org/simple/black-nb/)
  Saved /tmp/tmplcp6w322/black_nb-0.0.1-py3-none-any.whl
  Added black-nb==0.0.1 from https://files.pythonhosted.org/packages/25/0a/fccef870cb366751fbec08de65f0000aa5c824a36b2eca066995e8548e36/black_nb-0.0.1-py3-none-any.whl#sha256=c10c8d1d9b2c1a0ae7595588e7b9cf237edd4ff903d43f87e887399b844791d9 to build tracker '/tmp/pip-req-tracker-tfb5bcwa'
  Removed black-nb==0.0.1 from https://files.pythonhosted.org/packages/25/0a/fccef870cb366751fbec08de65f0000aa5c824a36b2eca066995e8548e36/black_nb-0.0.1-py3-none-any.whl#sha256=c10c8d1d9b2c1a0ae7595588e7b9cf237edd4ff903d43f87e887399b844791d9 from build tracker '/tmp/pip-req-tracker-tfb5bcwa'
Skipping black-nb, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-niyk3pd_/black-nb
Removed build tracker '/tmp/pip-req-tracker-tfb5bcwa'