fix formatting and update CHANGELOG

CHANGELOG.md

@@ -97,6 +97,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed a `LLMUserResponseAggregator` issue where interruptions were not being
+  handled properly.
+
+- Fixed `PiperTTSService` to work with newer Piper GPL.
+
 - Fixed a race condition in `FastAPIWebsocketClient` that occurred when attempting to
   send a message while the client was disconnecting.
 

src/pipecat/processors/aggregators/llm_response.py

@@ -1022,7 +1022,6 @@ class LLMUserResponseAggregator(LLMUserContextAggregator):
         await self.push_frame(frame)
 
 
-
 class LLMAssistantResponseAggregator(LLMAssistantContextAggregator):
     """Assistant response aggregator that outputs LLMMessagesFrame instead of context frames.