Make the PatternPair action an Enum

examples/foundational/35-pattern-pair-voice-switching.py

@@ -62,7 +62,11 @@ from pipecat.services.openai.llm import OpenAILLMService
 from pipecat.transports.base_transport import BaseTransport, TransportParams
 from pipecat.transports.daily.transport import DailyParams
 from pipecat.transports.websocket.fastapi import FastAPIWebsocketParams
-from pipecat.utils.text.pattern_pair_aggregator import PatternMatch, PatternPairAggregator
+from pipecat.utils.text.pattern_pair_aggregator import (
+    MatchAction,
+    PatternMatch,
+    PatternPairAggregator,
+)
 
 load_dotenv(override=True)
 
@@ -111,7 +115,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
         start_pattern="<voice>",
         end_pattern="</voice>",
         type="voice",
-        action="remove",  # Remove tags from final text
+        action=MatchAction.REMOVE,  # Remove tags from final text
     )
 
     # Register handler for voice switching