Automated change: Fix sanity tests

src/python/grpcio/grpc/aio/_base_server.py

diff --git a/src/python/grpcio/grpc/aio/_base_server.py b/src/python/grpcio/grpc/aio/_base_server.py
index 3559568..1ed3f60 100644
--- a/src/python/grpcio/grpc/aio/_base_server.py
+++ b/src/python/grpcio/grpc/aio/_base_server.py
@@ -18,7 +18,9 @@
 
 import grpc
 
-from ._metadata import Metadata  # pyright: ignore[reportUnusedImport] # pylint: disable=unused-import
+from ._metadata import (
+    Metadata,  # pyright: ignore[reportUnusedImport] # pylint: disable=unused-import
+)
 from ._typing import DoneCallbackType
 from ._typing import MetadataType
 from ._typing import RequestType
@@ -137,7 +139,9 @@
         """
 
     def add_registered_method_handlers(  # noqa: B027
-        self, service_name: str, method_handlers: Mapping[str, grpc.RpcMethodHandler]
+        self,
+        service_name: str,
+        method_handlers: Mapping[str, grpc.RpcMethodHandler],
     ):
         """Registers GenericRpcHandlers with this Server.
 

src/python/grpcio/grpc/aio/_call.py

diff --git a/src/python/grpcio/grpc/aio/_call.py b/src/python/grpcio/grpc/aio/_call.py
index 3a969e1..649a31b 100644
--- a/src/python/grpcio/grpc/aio/_call.py
+++ b/src/python/grpcio/grpc/aio/_call.py
@@ -37,7 +37,7 @@
 from ._metadata import Metadata
 from ._typing import DeserializingFunction
 from ._typing import DoneCallbackType
-from ._typing import EOFType # pyright: ignore[reportUnknownVariableType]
+from ._typing import EOFType  # pyright: ignore[reportUnknownVariableType]
 from ._typing import MetadataType
 from ._typing import MetadatumType
 from ._typing import RequestIterableType
@@ -182,8 +182,12 @@
 ) -> AioRpcError:
     return AioRpcError(
         _common.CYGRPC_STATUS_CODE_TO_STATUS_CODE[status.code()],
-        Metadata._create(initial_metadata),  # pyright: ignore[reportPrivateUsage]
-        Metadata.from_tuple(status.trailing_metadata()),  # pyright: ignore[reportUnknownMemberType]
+        Metadata._create(
+            initial_metadata
+        ),  # pyright: ignore[reportPrivateUsage]
+        Metadata.from_tuple(
+            status.trailing_metadata()
+        ),  # pyright: ignore[reportUnknownMemberType]
         details=status.details(),
         debug_error_string=status.debug_error_string(),
     )
@@ -246,7 +250,9 @@
 
     async def initial_metadata(self) -> Metadata:
         raw_metadata_tuple = await self._cython_call.initial_metadata()
-        return Metadata.from_tuple(raw_metadata_tuple)  # pyright: ignore[reportUnknownMemberType]
+        return Metadata.from_tuple(
+            raw_metadata_tuple
+        )  # pyright: ignore[reportUnknownMemberType]
 
     async def trailing_metadata(self) -> Metadata:
         raw_metadata_tuple = (
@@ -254,7 +260,9 @@
         ).trailing_metadata()
         if not raw_metadata_tuple:
             return Metadata()
-        return Metadata.from_tuple(raw_metadata_tuple)  # pyright: ignore[reportUnknownMemberType]
+        return Metadata.from_tuple(
+            raw_metadata_tuple
+        )  # pyright: ignore[reportUnknownMemberType]
 
     async def code(self) -> grpc.StatusCode:
         cygrpc_code = (await self._cython_call.status()).code()
@@ -295,7 +303,9 @@
 class _UnaryResponseMixin(Call, Generic[ResponseType]):
     _call_response: asyncio.Task[ResponseType]
 
-    def _init_unary_response_mixin(self, response_task: asyncio.Task[ResponseType]):
+    def _init_unary_response_mixin(
+        self, response_task: asyncio.Task[ResponseType]
+    ):
         self._call_response = response_task
 
     def cancel(self) -> bool:

src/python/grpcio/grpc/aio/_metadata.py

diff --git a/src/python/grpcio/grpc/aio/_metadata.py b/src/python/grpcio/grpc/aio/_metadata.py
index 8a885d7..4be094a 100644
--- a/src/python/grpcio/grpc/aio/_metadata.py
+++ b/src/python/grpcio/grpc/aio/_metadata.py
@@ -46,6 +46,7 @@
         * Supports an immutable view of the data
         * Allows partial mutation on the data without recreating the new object from scratch.
     """
+
     _metadata: OrderedDict[MetadataKey, List[MetadataValue]]
 
     def __init__(self, *args: MetadatumType) -> None: