try

app.py

@@ -272,6 +272,16 @@ def gradio_wrapper(input_image):
         img = img[0]
     return img
 
+def safe_gradio_wrapper(input_image):
+    """Safe wrapper to handle gradio schema errors"""
+    try:
+        if input_image is None:
+            return Image.new('RGB', (256, 256), color='lightgray')
+        result = generate_emoji_fixed(input_image)
+        return result
+    except Exception as e:
+        print(f"Error in gradio wrapper: {e}")
+        return Image.new('RGB', (256, 256), color='red')
 
 if __name__ == "__main__":
     # try:
@@ -279,13 +289,20 @@ if __name__ == "__main__":
     #     print("gradio:", gr.__version__, "gradio-client:", _gc.__version__)
     # except Exception:
     #     print("gradio:", gr.__version__)
-        
+
     demo = gr.Interface(
-        fn=generate_emoji_fixed,
+        fn=safe_gradio_wrapper,
         inputs=gr.Image(type="pil", label="Upload Image"),
         outputs=gr.Image(type="pil", label="Generated Emoji"),
         title="DTN Face-to-Emoji Generator"
     )
+        
+    # demo = gr.Interface(
+    #     fn=generate_emoji_fixed,
+    #     inputs=gr.Image(type="pil", label="Upload Image"),
+    #     outputs=gr.Image(type="pil", label="Generated Emoji"),
+    #     title="DTN Face-to-Emoji Generator"
+    # )
 
 
     print("✅ Gradio interface created!")