[justavibedev]

Fixes #892.

With zfpy 1.0.1.post0 installed, importing NumCodecs raises a ValueError before the caller can use any codec. This showed up during test collection on #891 and also reproduces with the 0.17.1 release.

The ZFPY compatibility check now uses packaging.version.Version for both packages. The tests cover the released zfpy version, a NumPy local version, and an older zfpy post-release that still needs the compatibility warning.

With the actual 1.0.1.post0 wheel, the version, ZFPY and checksum modules had 155 tests pass and seven skip. I also checked importing NumCodecs in an environment without zfpy. The docs built locally with warnings and the new release-note link rendered. Codex assisted with implementation and verification.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (4afa628) to head (426cbd6).

Additional details and impacted files

@@             Coverage Diff              @@
##             main      #893       +/-   ##
============================================
+ Coverage   89.71%   100.00%   +10.28%     
============================================
  Files          27        27               
  Lines         914       916        +2     
============================================
+ Hits          820       916       +96     
+ Misses         94         0       -94     

Files with missing lines	Coverage Δ
src/numcodecs/zfpy.py	100.00% <100.00%> (+78.72%)	⬆️

... and 2 files with indirect coverage changes

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