Update tqdm to 4.50.1

[pyup-bot]

This PR updates tqdm from 4.41.1 to 4.50.1.

Changelog

4.50.1

- fix multiprocessing lock creation leak (982, 936, 759)
+ fixes 617 which introduced this bug (v4.29.0, released 2019-01-06, undiagnosed until now) where multiple threads could concurrently create and append process locks to a global list, then try to release them without first acquiring :imp:
- major test overhaul: fix, update, and speed up
- misc CI framework updates
- code linting
- minor documentation tidy

4.50.0

- add bar `colour` option (1040 <- 450)
+ for `notebook` as well as `std`/CLI
+ plain text as well as hex (e.g. 'green' or '00ff00')
- `notebook` improvements (1032 <- 1031)
+ split bar description into separate widget
+ improve `reset()` (handle width and colour)
- fix exceptions when `file` is closed (1041, 1036 <- 1033)
- add & update tests
- minor documentation updates
- move and configure issue/pr templates

4.49.0

- CLI: add `--tee` (1014 <- 1013)
- CLI: add `--update` and `--update_to` (996 <- 975)
- CLI: add `--null` (996)
- CLI: accept `-` instead of `_` in options (e.g. `--update-to`)
- make `update()` return `True` on `display` to ease efficient use of custom callbacks (845)
- fix `py>=3` CLI `--delim` encoding error
- fix `py>=3.5` version detection in `tqdm.auto` (1029 <- 1028)
- fix final ETA when using `initial` (1021 <- 689)
- update documentation
+ add & update custom callback examples
+ improve help formatting of boolean CLI options
- add & update tests

4.48.2

- fix `notebook` formatting

4.48.1

- fix ANSI escape codes breaking `tqdm.write` (692, 777)
- fix long-lived strongref (1007, https://bugs.python.org/issue39093)
- fix cli `--version` crash on missing `git/refs/heads` (635)
- fix `contrib.tenumerate` ignoring `total` (1017)
- fix potential deep => shallow `kwargs` copy issues
- improve `notebook` display for unknown `total` (1015)
- make `asyncio` inherit from `std` rather than `auto`
- make `auto` multi-inherit from `autonotebook`, `asyncio` on Python3.5+
- misc documentation & examples updates
+ mention `docker-compose` requirements (771)
- misc linting & tidy
- misc minor testing framework updates

4.48.0

- add `tqdm.asyncio` (1004, 772, 91 <- 65)
+ supports async iterables (`async for row in tqdm(iterable)`)
+ supports iterables
+ supports `coroutine.send` (`tqdm(coroutine).send`)
+ add `as_completed` wrapper (`for f in tqdm.as_completed(fs)`)
- reduce `contrib.discord` logging verbosity
- fix potential `pandas()` modifying `**kwargs` bug
- update documentation
+ add missing inline docstrings
+ update contributing notes
+ update readme
+ add to `examples/` folder
 * async_coroutines
 * coroutine_pipe
+ standardise variable naming
- add tests
+ add benchmark tests against popular alternative libraries
+ test new functionality
+ more thorough `miniters` test (1003)
- misc framework updates
+ tidy changelog helper
+ add helper bots
 * comment-bot `/tag`
 * post-release-bot
   - wiki updater
   - website updater
 * benchmark regressions
   - full/thorough test on schedule & release
   - quick test on PR

4.47.0

- add `contrib.discord` (similar to `contrib.telegram`) (976)
- add `contrib.bells` to auto-enable all extras
- add `contrib.utils_worker` for common slow tasks (e.g. web I/O)
+ fix lazy large memory usage & discard unsent messages (unprocessed tasks)
- fix slow notebook imports (955 <- 709)
- fix `gui` `TypeError` on unknown `len()` (971)
- misc documentation/error message updates
+ more succinct ImportError on missing `ipywidgets` (872)
+ fix broken/deprecated link (981)
+ add inline usage for `contrib.discord` and `contrib.telegram`
- misc framework updates
+ add official `py3.8` support (986)
+ fix `snap` builds

![contrib.discord](https://user-images.githubusercontent.com/10780059/82755091-62374c80-9dc9-11ea-88bb-fd8cafe854ff.png)

![contrib.telegram](https://github.com/ermakovpetr/tg_tqdm/blob/master/tg_tqdm_how_it_work.gif?raw=true)

4.46.1

- fix missing `sys.setcheckinterval` in py3.9 (978)
- fix `keras.TqdmCallback` compatibility with `tensorflow==2.2.0` (979)
- update documentation
+ correct `contrib.concurrent` correct `max_workers` (977)
+ drop prominent mention of `xrange` (965)
- minor linting

4.46.0

- add `contrib.telegram` 949 <- 948
- add `bash` tab completion and `--comppath` 946, 947 <- 858
- fix exception safety in `external_write_mode` 940
- add `requests` examples (242)
- update documentation

4.45.0

- propagate and `close()` on exceptions (926 <- 548)
- fix nested `clear()`
- rework nested `close()` (930 <- 924 <- 918, 677)
+ reduces screen flicker/blank space at the cost of ordering
- update all documentation & demos
- add and update tests
- dev framework: add pre-commit helper

4.44.1

- fix `_utils` `ImportError` => `DeprecationWarning` (928 <- 927)

4.44.0

- add automatic `nrows` and expose for manual override (918 -> 924)
- expose and warn about small `chunksize` in `tqdm.contrib.concurrent.process_map` (912)
- fix py2 file stream comparison (727 -> 730)
- deprecate `utils._environ_cols_wrapper`
- add and update tests
- add documentation

4.43.0

- fix `notebook` exceptions (669 <- 650)
+ `set_description()` when `disable=True`
- `contrib.concurrent`: avoid unnecessary `len(iterable)` (893)
- update documentation
+ clarify etymology (895)
+ fix minor typo (890)
+ update contributors and years
- update tests
- fix CI tests for PRs

4.42.1

- support `pandas==1.0.0` (780, 555)
- minor metadata updates
- minor CI test update

4.42.0

- `notebook`: update `disable=None` behaviour (880)
- `tqdm.keras`: support `tensorflow.keras` as well as `keras` (885)
- add `contrib` (882)
+ `tenumerate` (840 <- 480, 402)
+ `tzip` <= `zip`
+ `tmap` <= `map`
+ add `concurrent` module
 * `thread_map` <= `concurrent.futures.ThreadPoolExecutor.map`
 * `process_map` <= `concurrent.futures.ProcessPoolExecutor.map`
+ add `itertools` module (225) stub
 * `product`
- add & update tests
- add & update documentation
+ [README](https://github.com/tqdm/tqdmtqdm)
+ [examples/](https://github.com/tqdm/tqdm/tree/master/examples)
- update CI framework

Links

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

[coveralls]

Coverage remained the same at 95.166% when pulling f8f922a on pyup-update-tqdm-4.41.1-to-4.50.1 into 7a768b1 on master.

[pyup-bot]

Closing this in favor of #120