fix: lint fix and default voice id added

Author: nitin4real

ai_agents/agents/ten_packages/extension/murf_tts_python/extension.py

@@ -51,6 +51,7 @@ def __init__(self, name: str) -> None:
         self.last_completed_request_id: str | None = None
         self.last_completed_has_cleared_synthesizer = True
         self.current_request_finished: bool = True
+        self.session_id: str = ""
         self.current_turn_id: int | None = None
         self.request_lock = asyncio.Lock()
         self.pcm_write_tasks: set[asyncio.Task] = set()

ai_agents/agents/ten_packages/extension/murf_tts_python/property.json

@@ -4,6 +4,7 @@
     "params": {
         "api_key": "${env:MURF_TTS_KEY||}",
         "model": "FALCON",
-        "sample_rate": 24000
+        "sample_rate": 24000,
+        "voiceId": "Matthew"
     }
 }