Update narwhals/expr.py

Co-authored-by: Edoardo Abati <29585319+EdAbati@users.noreply.github.com>
narwhals-dev · Oct 19, 2024 · 1e40870 · 1e40870
1 parent c166afa
commit 1e40870
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/narwhals/expr.py b/narwhals/expr.py
@@ -1277,7 +1277,7 @@ def is_null(self) -> Self:
             │ 5    ┆ 5.0 ┆ false     ┆ false     │
             └──────┴─────┴───────────┴───────────┘
 
-            >>> func(df_pa)
+            >>> func(df_pa)  # nan != null for pyarrow
             pyarrow.Table
             a: int64
             b: double