issues: 2066129022

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
2066129022 PR_kwDOAMm_X85jP678 8587 Silence another warning in test_backends.py 2448579 closed 0     1 2024-01-04T18:20:49Z 2024-01-05T16:13:05Z 2024-01-05T16:13:03Z MEMBER   0 pydata/xarray/pulls/8587

Using 255 as fillvalue for int8 arrays will not be allowed any more. Previously this overflowed to -1. Now specify that instead.

On numpy 1.24.4 ```

np.array([255], dtype="i1") DeprecationWarning: NumPy will stop allowing conversion of out-of-bound Python integers to integer arrays. The conversion of 255 to int8 will fail in the future.

array([-1], dtype=int8) ```

 
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