Merge pull request #6675 from chainer-ci/bp-6669-v10-fix-warn-msg

[backport] Improve warning message in sparse
cupy · Jun 14, 2022 · d7b8b9f · d7b8b9f
2 parents 159eb88 + 835b453
commit d7b8b9f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/cupyx/scipy/sparse/compressed.py b/cupyx/scipy/sparse/compressed.py
@@ -543,8 +543,8 @@ def _set_many(self, i, j, x):
 
         else:
             warnings.warn('Changing the sparsity structure of a '
-                          '{}_matrix is expensive.'
-                          ' lil_matrix is more efficient.'.format(self.format))
+                          '{}_matrix is expensive.'.format(self.format),
+                          base.SparseEfficiencyWarning)
             # replace where possible
             mask = offsets > -1
             self.data[offsets[mask]] = x[mask]