dask-tutorial-pycon-2018 issues

Bump notebook from 5.4.1 to 5.7.8

Bumps [notebook](https://github.com/jupyter/jupyterhub) from 5.4.1 to 5.7.8. Commits - See full diff in [compare view](https://github.com/jupyter/jupyterhub/commits) [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=notebook&package-manager=pip&previous-version=5.4.1&new-version=5.7.8)](https://help.github.com/articles/configuring-automated-security-fixes) Dependabot will resolve any conflicts with this PR as long as you don't...

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dependencies

Bump pillow from 5.1.0 to 6.2.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 5.1.0 to 6.2.0. Release notes *Sourced from [pillow's releases](https://github.com/python-pillow/Pillow/releases).* > ## 6.2.0 > https://pillow.readthedocs.io/en/stable/releasenotes/6.2.0.html > > ## 6.1.0 > https://pillow.readthedocs.io/en/stable/releasenotes/6.1.0.html > > ## 6.0.0 > No release...

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dependencies

Bump urllib3 from 1.22 to 1.24.2

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.22 to 1.24.2. Changelog *Sourced from [urllib3's changelog](https://github.com/urllib3/urllib3/blob/master/CHANGES.rst).* > 1.24.2 (2019-04-17) > ------------------- > > * Don't load system certificates by default when any other ``ca_certs``, ``ca_certs_dir``...

dependabot[bot]

dependencies