Update app.py

app.py

@@ -59,7 +59,7 @@ def lookup_definition(query: str) -> AgentText:
 AUDIO_OUTPUT_PATH = "/tmp/response.mp3"
 
 @tool
-def text_to_speech(text: str) -> AgentAudio:
+def text_to_speech(response_text: str) -> AgentAudio:
     """Converts input text to speech and returns an AgentAudio instance with the audio file path.
 
     Args:
@@ -69,7 +69,7 @@ def text_to_speech(text: str) -> AgentAudio:
         An audio response.
     
     """
-    tts = gTTS(text=text, lang='en')
+    tts = gTTS(text=response_text, lang='en')
     tts.save(AUDIO_OUTPUT_PATH)
     return AgentAudio(AUDIO_OUTPUT_PATH)