Update tqdm to 4.31.0

[pyup-bot]

This PR updates tqdm from 4.28.1 to 4.31.0.

Changelog

4.30.0

- avoid moving when `leave=False`
- generalise nested bar tests
- add `display()` helper function
- add and expose `format_dict` (562, 482, 494, 656)
  + allow arbitrary keyword arguments for `format_meter`
  + document `format_dict` overriding
  + add tests for overriding
  + related: 660 172 587
- add and tidy developer documentation
- fix py3 CLI pipe decoding error (663)
- framework overhaul (developing, testing, Travis CI updates)
- tidy code and style (flake8)
- `setup.py` refactor
 + `setup.py make`
     * add support for multi-line commands
     * tidy and efficiency
 + replace `setup.py`'s built-in `make` -> `py-make>=0.1.9` (290)
 + add `requirements-dev.txt` and `extras_require[dev]`
- add, update and tidy tests
- include interactive Jupyter demonstration (652 -> 659)
- update documentation
 + add FAQ about py2 pipes (359)
 + add badges
 + update examples
 + update authors

4.29.1

- fix `classmethod` lock bug (617: 457 -> 658)
- add unit test to prevent regression

4.29.0

- Avoid global multiprocessing locks (611 -> 617)
- Add support for infinite iterables (651)
- Fix missing attr pos when used in multi-threaded environment (573)
- Do not join `TMonitor` if it is the current thread (613 -> 641)
- Add OpenBSD NIX support (638)
- Unit tests, general documentation fixes and tidying (e.g. 642)
- CI travis improvements
+ `py37-dev` -> `py37` (622)
+ fix `py26`

Links

• PyPI: https://pypi.org/project/tqdm
• Changelog: https://pyup.io/changelogs/tqdm/
• Repo: https://github.com/tqdm/tqdm

[coveralls]

Pull Request Test Coverage Report for Build 631

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.01%) to 56.131%

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Files with Coverage Reduction	New Missed Lines	%
pymaid/fetch.py	1	66.31%

Totals
Change from base Build 622:	-0.01%
Covered Lines:	4756
Relevant Lines:	8473

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💛 - Coveralls