Update app.py

app.py

@@ -201,8 +201,8 @@ with gr.Blocks(title="OpenAI Audio Chat App") as app:
                 audio_input = gr.Audio(
                     label="Audio Input", 
                     type="filepath",
-                    sources=["microphone", "upload"],
-                    file_types=["audio/wav", "audio/x-m4a", "audio/mp4"]
+                    sources=["microphone", "upload"]
+                    # Removed the invalid parameter 'file_types'
                 )
                 example_btn = gr.Button("Use Example Audio")