harden multi-gpu streams

[Intron7]

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[codecov-commenter]

Codecov Report

❌ Patch coverage is 42.85714% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.03%. Comparing base (c838420) to head (23df2e9).

Files with missing lines	Patch %	Lines
src/rapids_singlecell/_utils/_multi_gpu.py	33.33%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #791      +/-   ##
==========================================
- Coverage   89.07%   89.03%   -0.04%     
==========================================
  Files         112      112              
  Lines       11145    11149       +4     
==========================================
  Hits         9927     9927              
- Misses       1218     1222       +4     

Files with missing lines	Coverage Δ
src/rapids_singlecell/get/_aggregated.py	92.45% <ø> (ø)
src/rapids_singlecell/pertpy_gpu/_distance.py	87.85% <ø> (ø)
...ids_singlecell/pertpy_gpu/_metrics/_base_metric.py	91.11% <ø> (ø)
...apids_singlecell/pertpy_gpu/_metrics/_edistance.py	95.73% <ø> (ø)
src/rapids_singlecell/squidpy_gpu/_autocorr.py	85.18% <ø> (ø)
src/rapids_singlecell/squidpy_gpu/_co_oc.py	92.53% <ø> (ø)
...ecell/tools/_rank_genes_groups/_wilcoxon_binned.py	91.46% <100.00%> (ø)
src/rapids_singlecell/_utils/_multi_gpu.py	77.96% <33.33%> (-2.74%)	⬇️