Update tqdm to 4.17.0

[pyup-bot]

There's a new version of tqdm available.
You are currently using 4.15.0. I have updated it to 4.17.0

These links might come in handy: PyPI | Changelog | Repo

Changelog

4.17.0

• easier redirect of stdout (426 -> 431)
  • cls.external_write_mode() contextmanager
• refresh=True for set_description/update(_str) (317 -> 377)

4.16.0

• more formatting control (347 -> 362)
  • set_postfix_str(), set_description_str()
  • move ": " to bar_format
  • complements 266, 270
• better CLI support (e.g. hyphenated paths) (421 423 -> 424)
• more unit tests (411)
  • upgrade to pypy2/3-5.8.0
  • add py37-dev
• doc updates

Got merge conflicts? Close this PR and delete the branch. I'll create a new PR for you.

Happy merging! 🤖

[coveralls]

Coverage remained the same at 95.137% when pulling 7172826 on pyup-update-tqdm-4.15.0-to-4.17.0 into 5abe710 on master.