Update more-itertools to 9.0.0

[pyup-bot]

This PR updates more-itertools from 8.4.0 to 9.0.0.

Changelog

9.0.0

------

* Potentially breaking changes
 * :func:`grouper` no longer accepts an integer as its first argument. Previously this raised a ``DeprecationWarning``.
 * :func:`collate` has been removed. Use the built-in :func:`heapq.merge` instead.
 * :func:`windowed` now yields nothing when its iterable is empty.
 * This library now advertises support for Python 3.7+.

* New functions
 * :func:`constrained_batches`
 * :func:`batched` (from the Python itertools docs)
 * :func:`polynomial_from_roots` (from the Python itertools docs)
 * :func:`sieve` (from the Python itertools docs)

* Other changes
 * Some documentation issues were fixed (thanks to nanouasyn)

8.14.0

------

* New functions
 * :func:`longest_common_prefix` (thanks to nanouasyn)
 * :func:`iequals` (thanks to nanouasyn)

* Changes to existing functions
 * `concurrent.futures.ThreadPoolExecutor` is now imported lazily in :func:`callback_iter`.
 * :func:`tail` is now optimized for iterables with a fixed length.

* Other changes
 * Some documentation issues were fixed (thanks to pochmann and timgates42)
 * This library is now marked for Python 3.10 compatibility in PyPI (thanks to chayim)

8.13.0

------

* New functions
 * The :func:`subslices` recipe from the `itertools` docs was added (thanks to rhettinger)

* Changes to existing functions
 * The :func:`ichunked` function is now more efficient (thanks to hjtran0 and seanmacavaney)
 * The :func:`difference` function is now more efficient (thanks to Masynchin)
 * The :func:`grouper` recipe now has more features, mirroring the one in the `itertools` docs (thanks to rhettinger)

* Other changes
 * Some documentation issues were fixed (thanks to medvied and Freed-Wu)
 * The `more_itertools` package is now built with `flit` (thanks to mgorny)

8.12.0

------

* Bug fixes
 * Some documentation issues were fixed (thanks to Masynchin, spookylukey, astrojuanlu, and stephengmatthews)
 * Python 3.5 support was temporarily restored (thanks to mattbonnell)

8.11.0

------

* New functions
 * The :func:`before_and_after`, :func:`sliding_window`, and :func:`triplewise` recipes from the Python 3.10 docs were added
 * :func:`duplicates_everseen` and :func:`duplicates_justseen` (thanks to OrBin and DavidPratt512)
 * :func:`minmax` (thanks to Ricocotam, MSeifert04, and ruancomelli)
 * :func:`strictly_n` (thanks to hwalinga and NotWearingPants)
 * :func:`unique_in_window`

* Changes to existing functions
 * :func:`groupby_transform` had its type stub improved (thanks to mjk4 and ruancomelli)
 * :func:`is_sorted` now accepts a ``strict`` parameter (thanks to Dutcho and ruancomelli)
 * :func:`zip_broadcast` was updated to fix a bug (thanks to kalekundert)

8.10.0

------

* Changes to existing functions
 * The type stub for :func:`iter_except` was improved (thanks to  MarcinKonowalczyk)

* Other changes:
 *  Type stubs now ship with the source release (thanks to saaketp)
 *  The Sphinx docs were improved (thanks to MarcinKonowalczyk)

8.9.0

-----

* New functions
 * :func:`interleave_evenly` (thanks to mbugert)
 * :func:`repeat_each` (thanks to FinalSh4re)
 * :func:`chunked_even` (thanks to valtron)
 * :func:`map_if` (thanks to sassbalint)
 * :func:`zip_broadcast` (thanks to kalekundert)

* Changes to existing functions
 * The type stub for :func:`chunked` was improved (thanks to  PhilMacKay)
 * The type stubs for :func:`zip_equal` and `zip_offset` were improved (thanks to maffoo)
 * Building Sphinx docs locally was improved (thanks to MarcinKonowalczyk)

8.8.0

-----

* New functions
 * :func:`countable` (thanks to krzysieq)

* Changes to existing functions
 * :func:`split_before` was updated to handle empy collections (thanks to TiunovNN)
 * :func:`unique_everseen` got a performance boost (thanks to Numerlor)
 * The type hint for :func:`value_chain` was corrected (thanks to vr2262)

8.7.0

-----

* New functions
 * :func:`convolve` (from the Python itertools docs)
 * :func:`product_index`, :func:`combination_index`, and :func:`permutation_index` (thanks to N8Brooks)
 * :func:`value_chain` (thanks to jenstroeger)

* Changes to existing functions
 * :func:`distinct_combinations` now uses a non-recursive algorithm (thanks to  knutdrand)
 * :func:`pad_none` is now the preferred name for :func:`padnone`, though the latter remains available.
 * :func:`pairwise` will now use the Python standard library implementation on Python 3.10+
 * :func:`sort_together` now accepts a ``key`` argument (thanks to brianmaissy)
 * :func:`seekable` now has a ``peek`` method, and can indicate whether the iterator it's wrapping is exhausted (thanks to gsakkis)
 * :func:`time_limited` can now indicate whether its iterator has expired (thanks to roysmith)
 * The implementation of :func:`unique_everseen` was improved (thanks to plammens)

* Other changes:
 * Various documentation updates (thanks to cthoyt, Evantm, and cyphase)

8.6.0

-----

* New itertools
 * :func:`all_unique` (thanks to brianmaissy)
 * :func:`nth_product` and :func:`nth_permutation` (thanks to N8Brooks)

* Changes to existing itertools
 * :func:`chunked` and :func:`sliced` now accept a ``strict`` parameter (thanks to shlomif and jtwool)

* Other changes
 * Python 3.5 has reached its end of life and is no longer supported.
 * Python 3.9 is officially supported.
 * Various documentation fixes (thanks to timgates42)

8.5.0

-----

* New itertools
 * :func:`windowed_complete` (thanks to MarcinKonowalczyk)

* Changes to existing itertools:
 * The :func:`is_sorted` implementation was improved (thanks to cool-RR)
 * The :func:`groupby_transform` now accepts a ``reducefunc`` parameter.
 * The :func:`last` implementation was improved (thanks to brianmaissy)

* Other changes
 * Various documentation fixes (thanks to craigrosie, samuelstjean, PiCT0)
 * The tests for :func:`distinct_combinations` were improved (thanks to Minabsapi)
 * Automated tests now run on GitHub Actions. All commits now check:
     * That unit tests pass
     * That the examples in docstrings work
     * That test coverage remains high (using `coverage`)
     * For linting errors (using `flake8`)
     * For consistent style (using `black`)
     * That the type stubs work (using `mypy`)
     * That the docs build correctly (using `sphinx`)
     * That packages build correctly (using `twine`)

Links

• PyPI: https://pypi.org/project/more-itertools
• Changelog: https://pyup.io/changelogs/more-itertools/
• Docs: https://pythonhosted.org/more-itertools/

[pyup-bot]

Closing this in favor of #263