fix order

MarcoGorelli · Oct 25, 2024 · c3f7135 · c3f7135
1 parent 23e35fa
commit c3f7135
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/narwhals/_pandas_like/utils.py b/narwhals/_pandas_like/utils.py
@@ -607,5 +607,5 @@ def reset_index_no_copy(native_dataframe: pd.DataFrame, native_namespace: Any) -
         msg = f"Cannot insert column with name {native_dataframe.index.name} into dataframe with columns {native_dataframe.columns}"
         raise ValueError(msg)
     for i, name in enumerate(native_dataframe.index.names):
-        native_dataframe[name] = native_dataframe.index.get_level_values(i)
+        native_dataframe.insert(0, name, native_dataframe.index.get_level_values(i))
     native_dataframe.index = native_namespace.RangeIndex(len(native_dataframe))
diff --git a/tests/utils_test.py b/tests/utils_test.py
@@ -154,7 +154,7 @@ def test_reset_index_no_copy() -> None:
     df = pd.DataFrame({"a": [1, 2, 3], "b": [4.0, 5.0, 6.0]}).set_index("a")
     reset_index_no_copy(df, pd)
     pd.testing.assert_frame_equal(
-        df, pd.DataFrame({"b": [4.0, 5.0, 6.0], "a": [1, 2, 3]})
+        df, pd.DataFrame({"a": [1, 2, 3], "b": [4.0, 5.0, 6.0]})
     )
     df.index.name = "b"
     with pytest.raises(ValueError, match="Cannot insert column"):