async def on_push_frame(self, data: FramePushed):
        """Process a frame without modifying it.

        This observer doesn't need to process individual frames as it
        relies on turn start/end events from the turn tracker.
        """
        pass
Process a frame without modifying it.

        This observer doesn't need to process individual frames as it
        relies on turn start/end events from the turn tracker.
        
src/pipecat/utils/tracing/turn_trace_observer.py