fix ruff

Author: asheshvidyut

src/mcp/server/lowlevel/server.py

@@ -102,7 +102,9 @@ async def main():
 CombinationContent: TypeAlias = tuple[UnstructuredContent, StructuredContent]
 
 # This will be properly typed in each Server instance's context
-request_ctx: contextvars.ContextVar[RequestContext[ServerTransportSession, Any, Any]] = contextvars.ContextVar("request_ctx")
+request_ctx: contextvars.ContextVar[RequestContext[ServerTransportSession, Any, Any]] = contextvars.ContextVar(
+    "request_ctx"
+)
 
 
 class NotificationOptions:

src/mcp/shared/context.py

@@ -8,10 +8,9 @@
 from mcp.shared.session import BaseSession
 from mcp.types import RequestId, RequestParams
 
-SessionT = TypeVar("SessionT", 
-                   bound=BaseSession[Any, Any, Any, Any, Any] | 
-                   ClientTransportSession | 
-                   ServerTransportSession)
+SessionT = TypeVar(
+    "SessionT", bound=BaseSession[Any, Any, Any, Any, Any] | ClientTransportSession | ServerTransportSession
+)
 LifespanContextT = TypeVar("LifespanContextT")
 RequestT = TypeVar("RequestT", default=Any)
 

tests/client/test_sampling_callback.py

@@ -1,8 +1,9 @@
+from typing import cast
+
 import pytest
 
 from mcp.client.session import ClientTransportSession
 from mcp.server.session import ServerSession
-from typing import cast
 from mcp.shared.context import RequestContext
 from mcp.shared.memory import (
     create_connected_server_and_client_session as create_session,

tests/shared/test_streamable_http.py

@@ -22,9 +22,9 @@
 
 import mcp.types as types
 from mcp.client.session import ClientSession, ClientTransportSession
-from mcp.server.session import ServerSession
 from mcp.client.streamable_http import streamablehttp_client
 from mcp.server import Server
+from mcp.server.session import ServerSession
 from mcp.server.streamable_http import (
     MCP_PROTOCOL_VERSION_HEADER,
     MCP_SESSION_ID_HEADER,