fixup

narwhals-dev · Dec 3, 2024 · 3be67c1 · 3be67c1
1 parent 71b1ac8
commit 3be67c1
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/narwhals/functions.py b/narwhals/functions.py
@@ -62,7 +62,7 @@ def concat(
         A new DataFrame, Lazyframe resulting from the concatenation.
 
     Raises:
-        NotImplementedError: The items to concatenate should either all be eager, or all lazy
+        TypeError: The items to concatenate should either all be eager, or all lazy
 
     Examples:
         Let's take an example of vertical concatenation:

diff --git a/narwhals/stable/v1/__init__.py b/narwhals/stable/v1/__init__.py
@@ -2758,7 +2758,7 @@ def concat(
         A new DataFrame, Lazyframe resulting from the concatenation.
 
     Raises:
-        NotImplementedError: The items to concatenate should either all be eager, or all lazy
+        TypeError: The items to concatenate should either all be eager, or all lazy
 
     Examples:
         Let's take an example of vertical concatenation:

diff --git a/tests/frame/invalid_test.py b/tests/frame/invalid_test.py
@@ -37,7 +37,7 @@ def test_native_vs_non_native() -> None:
 def test_validate_laziness() -> None:
     df = pl.DataFrame({"a": [1, 2, 3], "b": [4, 5, 6]})
     with pytest.raises(
-        NotImplementedError,
+        TypeError,
         match=("The items to concatenate should either all be eager, or all lazy"),
     ):
         nw.concat([nw.from_native(df, eager_only=True), nw.from_native(df).lazy()])  # type: ignore[list-item]