Bump numpy from 1.20.3 to 1.21.0

[dependabot]

Bumps numpy from 1.20.3 to 1.21.0.

Release notes

Sourced from numpy's releases.

v1.21.0

NumPy 1.21.0 Release Notes

The NumPy 1.21.0 release highlights are

• continued SIMD work covering more functions and platforms,
• initial work on the new dtype infrastructure and casting,
• universal2 wheels for Python 3.8 and Python 3.9 on Mac,
• improved documentation,
• improved annotations,
• new PCG64DXSM bitgenerator for random numbers.

In addition there are the usual large number of bug fixes and other improvements.

The Python versions supported for this release are 3.7-3.9. Official support for Python 3.10 will be added when it is released.

⚠️ Warning: there are unresolved problems compiling NumPy 1.21.0 with gcc-11.1 .

• Optimization level -O3 results in many wrong warnings when running the tests.
• On some hardware NumPy will hang in an infinite loop.

New functions

Add PCG64DXSM BitGenerator

Uses of the PCG64 BitGenerator in a massively-parallel context have been shown to have statistical weaknesses that were not apparent at the first release in numpy 1.17. Most users will never observe this weakness and are safe to continue to use PCG64. We have introduced a new PCG64DXSM BitGenerator that will eventually become the new default BitGenerator implementation used by default_rng in future releases. PCG64DXSM solves the statistical weakness while preserving the performance and the features of PCG64.

See upgrading-pcg64 for more details.

(gh-18906)

Expired deprecations

• The shape argument numpy.unravel_index cannot be passed as dims keyword argument anymore. (Was deprecated in NumPy 1.16.)

... (truncated)

Commits

• b235f9e Merge pull request #19283 from charris/prepare-1.21.0-release
• 34aebc2 MAINT: Update 1.21.0-notes.rst
• 493b64b MAINT: Update 1.21.0-changelog.rst
• 07d7e72 MAINT: Remove accidentally created directory.
• 032fca5 Merge pull request #19280 from charris/backport-19277
• 7d25b81 BUG: Fix refcount leak in ResultType
• fa5754e BUG: Add missing DECREF in new path
• 61127bb Merge pull request #19268 from charris/backport-19264
• 143d45f Merge pull request #19269 from charris/backport-19228
• d80e473 BUG: Removed typing for == and != in dtypes
• Additional commits viewable in compare view

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[joshmoore]

grrr.... The Windows build has started failing across all new PRs (also #786 #787)

`1295 Segmentation fault pytest`

zarr\tests\test_convenience.py ......................................... [  2%]
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.................................                                        [  3%]
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Windows fatal exception: access violation
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Current thread 0x00001abc (most recent call first):
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\numpy\core\_internal.py", line 490 in _view_is_safe
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  File "D:\a\zarr-python\zarr-python\zarr\util.py", line 277 in normalize_fill_value
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  File "D:\a\zarr-python\zarr-python\zarr\storage.py", line 393 in _init_array_metadata
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  File "D:\a\zarr-python\zarr-python\zarr\storage.py", line 352 in init_array
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  File "D:\a\zarr-python\zarr-python\zarr\tests\test_core.py", line 88 in create_array
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  File "D:\a\zarr-python\zarr-python\zarr\tests\test_core.py", line 1024 in check_structured_array
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  File "D:\a\zarr-python\zarr-python\zarr\tests\test_core.py", line 1086 in test_structured_array_nested
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  File "c:\miniconda\envs\zarr-env\lib\unittest\case.py", line 633 in _callTestMethod
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  File "c:\miniconda\envs\zarr-env\lib\unittest\case.py", line 676 in run
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  File "c:\miniconda\envs\zarr-env\lib\unittest\case.py", line 736 in __call__
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\unittest.py", line 321 in runtest
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\runner.py", line 162 in pytest_runtest_call
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\callers.py", line 187 in _multicall
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\manager.py", line 84 in <lambda>
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\manager.py", line 93 in _hookexec
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\hooks.py", line 286 in __call__
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\runner.py", line 255 in <lambda>
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\runner.py", line 311 in from_call
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\runner.py", line 254 in call_runtest_hook
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\runner.py", line 215 in call_and_report
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\runner.py", line 126 in runtestprotocol
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\runner.py", line 109 in pytest_runtest_protocol
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\callers.py", line 187 in _multicall
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\manager.py", line 84 in <lambda>
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\manager.py", line 93 in _hookexec
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\hooks.py", line 286 in __call__
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\main.py", line 348 in pytest_runtestloop
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\callers.py", line 187 in _multicall
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\manager.py", line 84 in <lambda>
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\manager.py", line 93 in _hookexec
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\hooks.py", line 286 in __call__
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\main.py", line 323 in _main
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\main.py", line 269 in wrap_session
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\main.py", line 316 in pytest_cmdline_main
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\callers.py", line 187 in _multicall
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\manager.py", line 84 in <lambda>
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\manager.py", line 93 in _hookexec
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\pluggy\hooks.py", line 286 in __call__
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\config\__init__.py", line 162 in main
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  File "c:\miniconda\envs\zarr-env\lib\site-packages\_pytest\config\__init__.py", line 185 in console_main
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  File "C:\Miniconda\envs\zarr-env\Scripts\pytest.exe\__main__.py", line 7 in <module>
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  File "c:\miniconda\envs\zarr-env\lib\runpy.py", line 85 in _run_code
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  File "c:\miniconda\envs\zarr-env\lib\runpy.py", line 192 in _run_module_as_main
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D:\a\_temp\886387c4-8176-4347-9faf-41846fbfce5c.sh: line 4:  1295 Segmentation fault      pytest
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Error: Process completed with exit code 139.

[dependabot]

Looks like numpy is no longer updatable, so this is no longer needed.