PYTHON-5043: Fix list[int, float] typo in binary.py (#2066)

Author: Jibola

bson/binary.py

@@ -405,14 +405,17 @@ def from_vector(cls: Type[Binary], vector: BinaryVector) -> Binary:
     @classmethod
     @overload
     def from_vector(
-        cls: Type[Binary], vector: list[int, float], dtype: BinaryVectorDtype, padding: int = 0
+        cls: Type[Binary],
+        vector: Union[list[int], list[float]],
+        dtype: BinaryVectorDtype,
+        padding: int = 0,
     ) -> Binary:
         ...
 
     @classmethod
     def from_vector(
         cls: Type[Binary],
-        vector: Union[BinaryVector, list[int, float]],
+        vector: Union[BinaryVector, list[int], list[float]],
         dtype: Optional[BinaryVectorDtype] = None,
         padding: Optional[int] = None,
     ) -> Binary:

test/test_typing.py

@@ -15,6 +15,7 @@
 """Test that each file in mypy_fails/ actually fails mypy, and test some
 sample client code that uses PyMongo typings.
 """
+
 from __future__ import annotations
 
 import os
@@ -37,7 +38,8 @@
 if TYPE_CHECKING:
     from typing_extensions import NotRequired, TypedDict
 
-    from bson import ObjectId
+    from bson import Binary, ObjectId
+    from bson.binary import BinaryVector, BinaryVectorDtype
 
     class Movie(TypedDict):
         name: str
@@ -591,5 +593,22 @@ def test_son_document_type(self) -> None:
         obj["a"] = 1
 
 
+class TestBSONFromVectorType(unittest.TestCase):
+    @only_type_check
+    def test_from_vector_binaryvector(self):
+        list_vector = BinaryVector([127, 7], BinaryVectorDtype.INT8)
+        Binary.from_vector(list_vector)
+
+    @only_type_check
+    def test_from_vector_list_int(self):
+        list_vector = [127, 7]
+        Binary.from_vector(list_vector, BinaryVectorDtype.INT8)
+
+    @only_type_check
+    def test_from_vector_list_float(self):
+        list_vector = [127.0, 7.0]
+        Binary.from_vector(list_vector, BinaryVectorDtype.INT8)
+
+
 if __name__ == "__main__":
     unittest.main()