Created temporary directory: /tmp/pip-ephem-wheel-cache-7l_4x048
Created temporary directory: /tmp/pip-req-tracker-te630ls6
Created requirements tracker '/tmp/pip-req-tracker-te630ls6'
Created temporary directory: /tmp/pip-wheel-61ct5bzf
Collecting jupyterlab-heroku==0.1.0
  1 location(s) to search for versions of jupyterlab-heroku:
  * https://pypi.org/simple/jupyterlab-heroku/
  Getting page https://pypi.org/simple/jupyterlab-heroku/
  Analyzing links from page https://pypi.org/simple/jupyterlab-heroku/
    Found link https://files.pythonhosted.org/packages/53/57/9d75dfddb4cdc4e1b0bb7c5e7387f78383e39bb7ac17e0d24729fd7f7946/jupyterlab_heroku-0.1.0-py3-none-any.whl#sha256=a1d4974316c02a7669ea536a9fefaf77960f588a561d32149cfd9e80bc72069f (from https://pypi.org/simple/jupyterlab-heroku/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/95/c7/6e5c0a46f54f3eb23a62ff6e13f0fab584462cc3188e382252b9fee46646/jupyterlab_heroku-0.1.0.tar.gz#sha256=2eedd9cc1531722027d28a4a122da8b6388d4545d0aa987efcebbadfd98a1d6d (from https://pypi.org/simple/jupyterlab-heroku/), version: 0.1.0
  Using version 0.1.0 (newest of versions: 0.1.0)
  Created temporary directory: /tmp/pip-unpack-_98n8vx6
  Downloading https://files.pythonhosted.org/packages/53/57/9d75dfddb4cdc4e1b0bb7c5e7387f78383e39bb7ac17e0d24729fd7f7946/jupyterlab_heroku-0.1.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/53/57/9d75dfddb4cdc4e1b0bb7c5e7387f78383e39bb7ac17e0d24729fd7f7946/jupyterlab_heroku-0.1.0-py3-none-any.whl#sha256=a1d4974316c02a7669ea536a9fefaf77960f588a561d32149cfd9e80bc72069f (from https://pypi.org/simple/jupyterlab-heroku/)
  Saved /tmp/tmpeqe846ps/jupyterlab_heroku-0.1.0-py3-none-any.whl
  Added jupyterlab-heroku==0.1.0 from https://files.pythonhosted.org/packages/53/57/9d75dfddb4cdc4e1b0bb7c5e7387f78383e39bb7ac17e0d24729fd7f7946/jupyterlab_heroku-0.1.0-py3-none-any.whl#sha256=a1d4974316c02a7669ea536a9fefaf77960f588a561d32149cfd9e80bc72069f to build tracker '/tmp/pip-req-tracker-te630ls6'
  Removed jupyterlab-heroku==0.1.0 from https://files.pythonhosted.org/packages/53/57/9d75dfddb4cdc4e1b0bb7c5e7387f78383e39bb7ac17e0d24729fd7f7946/jupyterlab_heroku-0.1.0-py3-none-any.whl#sha256=a1d4974316c02a7669ea536a9fefaf77960f588a561d32149cfd9e80bc72069f from build tracker '/tmp/pip-req-tracker-te630ls6'
Skipping jupyterlab-heroku, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-61ct5bzf/jupyterlab-heroku
Removed build tracker '/tmp/pip-req-tracker-te630ls6'