fix: improve typing signature of .dropna()

ibis-project · Apr 5, 2023 · e11de3f · e11de3f
1 parent 3a02965
commit e11de3f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/ibis/expr/types/relations.py b/ibis/expr/types/relations.py
@@ -2064,7 +2064,9 @@ def count(self, where: ir.BooleanValue | None = None) -> ir.IntegerScalar:
         return ops.CountStar(self, where).to_expr().name("count")
 
     def dropna(
-        self, subset: Sequence[str] | None = None, how: Literal["any", "all"] = "any"
+        self,
+        subset: Sequence[str] | str | None = None,
+        how: Literal["any", "all"] = "any",
     ) -> Table:
         """Remove rows with null values from the table.