Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.61%. Comparing base (11169cf) to head (da4792b).
Report is 29 commits behind head on main.

@@           Coverage Diff           @@
##             main     #580   +/-   ##
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  Coverage   89.60%   89.61%           
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  Files           8        8           
  Lines        2473     2475    +2     
  Branches      420      420           
=======================================
+ Hits         2216     2218    +2     
  Misses        159      159           
  Partials       98       98           

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I tested this locally and it does indeed eliminate this error:

AssertionError: np.uint32(4294967295) != -1

But I still get these two errors:

TypeError: a class that defines __slots__ without defining __getstate__ cannot be pickled

But I still get these two errors:

TypeError: a class that defines __slots__ without defining __getstate__ cannot be pickled

Oh that's a bit weird : I didn't get that.
Also, I don't think that is a numpy2 thing, it's just generally a fact about pickling, so I can't see why anything here should be relevant to it, or the adoption of numpy2 for that matter.
So, where does this crop up ??

So, where does this crop up ??

It's in the failures for #550

But I still get these two errors:

TypeError: a class that defines __slots__ without defining __getstate__ cannot be pickled

This was proven to be caused by an unrelated Dask problem - SciTools/iris#6258