Merge branch 'main' into schema-convert-api

narwhals-dev · Feb 8, 2025 · 10b04d3 · 10b04d3
2 parents 7b89936 + f5314cc
commit 10b04d3
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/narwhals/utils.py b/narwhals/utils.py
@@ -766,12 +766,16 @@ def maybe_reset_index(obj: FrameOrSeriesT) -> FrameOrSeriesT:
     return obj_any  # type: ignore[no-any-return]
 
 
+def _is_range_index(obj: Any, native_namespace: Any) -> TypeIs[pd.RangeIndex]:
+    return isinstance(obj, native_namespace.RangeIndex)
+
+
 def _has_default_index(
     native_frame_or_series: pd.Series | pd.DataFrame, native_namespace: Any
 ) -> bool:
     index = native_frame_or_series.index
     return (
-        isinstance(index, native_namespace.RangeIndex)
+        _is_range_index(index, native_namespace)
         and index.start == 0
         and index.stop == len(index)
         and index.step == 1