Code review fixes

CHANGELOG.md

@@ -41,7 +41,7 @@ async def on_audio_data(processor, audio, sample_rate, num_channels):
 
 ### Changed
 
-- `STTMuteFilter` now supports multiple simultaneous muting strategies
+- `STTMuteFilter` now supports multiple simultaneous muting strategies.
 
 - `XTTSService` language now defaults to `Language.EN`.
 

src/pipecat/processors/filters/stt_mute_filter.py

@@ -129,9 +129,8 @@ class STTMuteFilter(FrameProcessor):
         elif isinstance(frame, FunctionCallResultFrame):
             self._function_call_in_progress = False
             await self._handle_mute_state(await self._should_mute())
-
         # Handle bot speaking state changes
-        if isinstance(frame, BotStartedSpeakingFrame):
+        elif isinstance(frame, BotStartedSpeakingFrame):
             self._bot_is_speaking = True
             await self._handle_mute_state(await self._should_mute())
         elif isinstance(frame, BotStoppedSpeakingFrame):