Try fix error

app.py

@@ -63,7 +63,8 @@ def get_or_create_speaker(interface, audio_file, model_name):
 def create_speaker_and_generate(model_name, audio_file, test_text: Optional[str] = None, temperature: float = 0.4):
     """Create speaker from audio and optionally generate test audio."""
     if audio_file is None:
-        raise gr.Error("Please upload an audio file")
+        # Return default values for startup/caching purposes
+        return "Please upload an audio file to create a speaker profile.", None
     
     # Get cached interface
     interface = get_cached_interface(model_name)
@@ -144,11 +145,13 @@ demo = gr.Interface(
     examples=[
         ["OuteTTS-1.0-0.6B", None, example_text, 0.2],
         ["OuteTTS-0.3-500M", None, example_text, 0.2],
-    ]
+    ],
+    cache_examples=False,
+    flagging_mode="never"
 )
 
 if __name__ == "__main__":
-    # Launch with API enabled
+    # Launch with optimized configuration for HuggingFace Spaces
     demo.launch(
         server_name="0.0.0.0",  # Allow external connections
         server_port=7860,