Update tools.py

tools.py

@@ -257,7 +257,7 @@ def audio_transcriber_tool(state: AgentState) -> AgentState:
             raise RuntimeError("OPENAI_API_KEY is not set in environment.")
 
         with open(local_audio, "rb") as audio_file:
-            response = openai.Audio.transcriptions.create(
+            response = openai.transcriptions.create(
                     file=audio_file,
                     model="whisper-1"
                 )