narwhals-dev · dangotbanned · Jun 27, 2026 · Jun 27, 2026 · Jun 27, 2026 · Jun 27, 2026
diff --git a/src/narwhals/_interchange/dataframe.py b/src/narwhals/_interchange/dataframe.py
@@ -142,6 +142,10 @@ def schema(self) -> dict[str, DType]: ...
     def columns(self) -> list[str]:
         return list(self.column_names())
 
+    @property
+    def _native_frame(self) -> Original_co:
+        return self._df
 if isinstance(narwhals_object, BaseFrame): 
     return narwhals_object._compliant_frame._native_frame 
 if isinstance(narwhals_object, Series): 
     return narwhals_object._compliant_series.native 
 if isinstance(narwhals_object, BaseFrame): 
     return narwhals_object._compliant_frame._native_frame 
 if isinstance(narwhals_object, Series): 
     return narwhals_object._compliant_series.native 
+
     def to_pandas(self) -> pd.DataFrame: ...
     def to_arrow(self) -> pa.Table: ...
     def get_column(self, name: str, /) -> InterchangeSeriesV1[Original_co]: ...