better hints

narwhals-dev · Dec 29, 2024 · 40a0151 · 40a0151
1 parent c460e28
commit 40a0151
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/narwhals/expr.py b/narwhals/expr.py
@@ -1666,7 +1666,10 @@ def sort(self, *, descending: bool = False, nulls_last: bool = False) -> Self:
 
     # --- transform ---
     def is_between(
-        self, lower_bound: Any | Self, upper_bound: Any | Self, closed: str = "both"
+        self,
+        lower_bound: Any | IntoExpr,
+        upper_bound: Any | IntoExpr,
+        closed: str = "both",
     ) -> Self:
         """Check if this expression is between the given lower and upper bounds.
 

diff --git a/narwhals/series.py b/narwhals/series.py
@@ -2069,7 +2069,7 @@ def fill_null(
         )
 
     def is_between(
-        self, lower_bound: Any, upper_bound: Any, closed: str = "both"
+        self, lower_bound: Any | Self, upper_bound: Any | Self, closed: str = "both"
     ) -> Self:
         """Get a boolean mask of the values that are between the given lower/upper bounds.