fix: unit tests fixes and ruff formating

N25B-205

src/control_backend/api/v1/endpoints/command.py

@@ -9,6 +9,7 @@ logger = logging.getLogger(__name__)
 
 router = APIRouter()
 
+
 @router.post("/command", status_code=202)
 async def receive_command(command: SpeechCommand, request: Request):
     # Validate and retrieve data.
@@ -16,5 +17,6 @@ async def receive_command(command: SpeechCommand, request: Request):
     topic = b"command"
     pub_socket: Socket = request.app.state.internal_comm_socket
     pub_socket.send_multipart([topic, command.model_dump_json().encode()])
+    
 
     return {"status": "Command received"}