extra test case, use Collection

Author: MarcoGorelli

pandas-stubs/core/indexes/multi.pyi

@@ -1,5 +1,6 @@
 from collections.abc import (
     Callable,
+    Collection,
     Hashable,
     Iterable,
     Mapping,
@@ -171,7 +172,7 @@ class MultiIndex(Index):
     ) -> np_1darray_bool: ...
     @overload
     def isin(  # pyright: ignore[reportIncompatibleMethodOverride]
-        self, values: Iterable[Iterable[Any]], level: None = None
+        self, values: Collection[Iterable[Any]], level: None = None
     ) -> np_1darray_bool: ...
     def set_names(
         self,

tests/indexes/test_indexes.py

@@ -67,6 +67,7 @@ def test_index_isin() -> None:
     check(assert_type(mi.isin([[3]]), np_1darray_bool), np_1darray_bool)
     if TYPE_CHECKING_INVALID_USAGE:
         mi.isin({3})  # type: ignore[arg-type]  # pyright: ignore[reportArgumentType]
+        mi.isin(iter({3}))  # type: ignore[arg-type]  # pyright: ignore[reportArgumentType]
 
 
 def test_index_astype() -> None: