Remove schema-breaking features: use Gradio 3.35.0, remove .then() chains and HTML components

app.py

@@ -24,10 +24,10 @@ def initialize_models():
         loop.close()
         print("✅ Models loaded successfully!")
 
-def chat_with_character(message, character_id, history):
-    """Handle chat with character"""
+def chat_function(message, character_id, history):
+    """Handle chat with character - returns updated history and empty message"""
     if not message or not message.strip():
-        return history
+        return history, ""
     
     # Initialize if needed
     if character_manager is None:
@@ -54,60 +54,49 @@ def chat_with_character(message, character_id, history):
         if history is None:
             history = []
         history.append((message, response))
-        return history
+        return history, ""
         
     except Exception as e:
         error_msg = f"❌ Error: {str(e)}"
         if history is None:
             history = []
         history.append((message, error_msg))
-        return history
+        return history, ""
 
-# Create simple interface with gr.Interface (most compatible)
-with gr.Blocks(title="🎭 Roleplay Chat Box") as demo:
-    gr.HTML("<h1 style='text-align: center'>🎭 Roleplay Chat Box</h1>")
-    gr.HTML("<p style='text-align: center'>Chat with AI characters!</p>")
+# Ultra-simple interface to avoid schema issues
+with gr.Blocks() as demo:
+    gr.Markdown("# 🎭 Roleplay Chat Box")
     
-    with gr.Row():
-        character_dropdown = gr.Dropdown(
-            choices=["moses", "samsung_employee", "jinx"],
-            value="moses",
-            label="Choose Character"
-        )
+    character_dropdown = gr.Dropdown(
+        choices=["moses", "samsung_employee", "jinx"],
+        value="moses",
+        label="Choose Character"
+    )
     
-    chatbot = gr.Chatbot(label="Chat")
+    chatbot = gr.Chatbot()
+    msg = gr.Textbox(label="Message", placeholder="Type here...")
     
     with gr.Row():
-        msg = gr.Textbox(
-            label="Your Message",
-            placeholder="Type your message here...",
-            lines=2
-        )
-    
-    with gr.Row():
-        submit = gr.Button("Send", variant="primary")
+        submit = gr.Button("Send")
         clear = gr.Button("Clear")
     
-    # Event handlers
+    # Event handlers - simple format
     submit.click(
-        fn=chat_with_character,
+        chat_function,
         inputs=[msg, character_dropdown, chatbot],
-        outputs=chatbot
-    ).then(
-        lambda: "",
-        outputs=msg
+        outputs=[chatbot, msg]
     )
     
     msg.submit(
-        fn=chat_with_character,
+        chat_function,
         inputs=[msg, character_dropdown, chatbot],
-        outputs=chatbot
-    ).then(
-        lambda: "",
-        outputs=msg
+        outputs=[chatbot, msg]
     )
     
-    clear.click(lambda: None, outputs=chatbot)
+    clear.click(
+        lambda: [],
+        outputs=[chatbot]
+    )
 
 if __name__ == "__main__":
     demo.launch(

requirements.txt

@@ -7,8 +7,8 @@ datasets>=2.14.0
 huggingface-hub>=0.19.0
 safetensors>=0.4.0
 
-# Gradio for Hugging Face Spaces - using ultra-stable version
-gradio==3.40.1
+# Gradio for Hugging Face Spaces - using known stable version
+gradio==3.35.0
 
 # Backend API
 fastapi>=0.104.0