Bump packaging from 19.0 to 19.1

[dependabot-preview[bot]]

Bumps packaging from 19.0 to 19.1.

Changelog

*Sourced from [packaging's changelog](https://github.com/pypa/packaging/blob/master/CHANGELOG.rst).* > 19.1 - 2019-07-30 > ================= > > - Add the `packaging.tags` module. (156) > - Correctly handle two-digit versions in `python_version` (119)

Commits

- [`e6c5b77`](https://github.com/pypa/packaging/commit/e6c5b770df9940426fc879ed8e5bd3b7b969f8cf) Update version for release - [`efc4175`](https://github.com/pypa/packaging/commit/efc4175ea2e9ba7176c546d172372a1aacd01203) Update CHANGELOG for release - [`939a62a`](https://github.com/pypa/packaging/commit/939a62ac1b0f356e872e67c2efdd8fb7ea228748) Merge pull request [#165](https://github-redirect.dependabot.com/pypa/packaging/issues/165) from pganssle/update_marker - [`2d2a110`](https://github.com/pypa/packaging/commit/2d2a110d0eb806297419b419b138fa33047c00f6) Update CHANGELOG - [`2a582a0`](https://github.com/pypa/packaging/commit/2a582a08a9c19034d308ab78af7cd331ad1eb3aa) Merge pull request [#167](https://github-redirect.dependabot.com/pypa/packaging/issues/167) from willingc/user-focus - [`a7b1610`](https://github.com/pypa/packaging/commit/a7b1610ea8e7256c3075536eda0faf34669916a9) Small edits - [`5cb9f94`](https://github.com/pypa/packaging/commit/5cb9f94ea7a60890f54d3c06c7ddb1c27d04a5a6) Merge pull request [#173](https://github-redirect.dependabot.com/pypa/packaging/issues/173) from snbk97/test - [`160ef2b`](https://github.com/pypa/packaging/commit/160ef2bf77ac16c51713170276a9f5d90069abb4) Link to python.org security page instead - [`59cbfca`](https://github.com/pypa/packaging/commit/59cbfcacfca380a6516fe029553cb384467747b1) Fix indentation - [`08c1e52`](https://github.com/pypa/packaging/commit/08c1e52b3fef534f4132c107c54681979b52355a) Merge pull request [#174](https://github-redirect.dependabot.com/pypa/packaging/issues/174) from asottile/fixes_pytest_5 - Additional commits viewable in [compare view](https://github.com/pypa/packaging/compare/19.0...19.1)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot ignore this [patch|minor|major] version` will close this PR and stop Dependabot creating any more for this minor/major version (unless you reopen the PR or upgrade to it). To ignore the version in this PR you can just close it - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) - `@dependabot use these labels` will set the current labels as the default for future PRs for this repo and language - `@dependabot use these reviewers` will set the current reviewers as the default for future PRs for this repo and language - `@dependabot use these assignees` will set the current assignees as the default for future PRs for this repo and language - `@dependabot use this milestone` will set the current milestone as the default for future PRs for this repo and language - `@dependabot badge me` will comment on this PR with code to add a "Dependabot enabled" badge to your readme Additionally, you can set the following in your Dependabot [dashboard](https://app.dependabot.com): - Update frequency (including time of day and day of week) - Automerge options (never/patch/minor, and dev/runtime dependencies) - Pull request limits (per update run and/or open at any time) - Out-of-range updates (receive only lockfile updates, if desired) - Security updates (receive only security updates, if desired) Finally, you can contact us by mentioning @dependabot.

[dependabot-preview[bot]]

Looks like packaging is up-to-date now, so this is no longer needed.