add string marks in warning message

pydata · Apr 27, 2024 · ed85446 · ed85446
1 parent 7e8f895
commit ed85446
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/xarray/core/dataset.py b/xarray/core/dataset.py
@@ -4699,7 +4699,7 @@ def expand_dims(
                         if create_index:
                             warnings.warn(
                                 f"No index created for dimension {k} because variable {k} is not a coordinate. "
-                                f"To create an index for {k}, please first call `.set_coords({k})` on this object.",
+                                f"To create an index for {k}, please first call `.set_coords('{k}')` on this object.",
                                 UserWarning,
                             )