fix ruff format

Author: asheshvidyut

src/mcp/client/transport_session.py

@@ -17,8 +17,7 @@ async def initialize(self) -> types.InitializeResult:
         ...
 
     @abstractmethod
-    async def send_ping(self):
-        ...
+    async def send_ping(self): ...
 
     @abstractmethod
     async def send_progress_notification(
@@ -27,8 +26,7 @@ async def send_progress_notification(
         progress: float,
         total: float | None = None,
         message: str | None = None,
-    ) -> None:
-        ...
+    ) -> None: ...
 
     @abstractmethod
     async def set_logging_level(
@@ -128,4 +126,4 @@ async def list_tools(
     @abstractmethod
     async def send_roots_list_changed(self) -> None:
         """Send a roots/list_changed notification."""
-        ...
+        ...