debug theme parameter

smolagent_chat.py

@@ -277,7 +277,7 @@ class KnowledgeGraphChatAgent:
 def create_gradio_interface(agent: KnowledgeGraphChatAgent):
     """Create the Gradio chat interface with model configuration."""
     
-    with gr.Blocks(title="🤗 Transformers Q&A Agent", theme=gr.themes.Soft()) as demo:
+    with gr.Blocks(title="🤗 Transformers Q&A Agent") as demo:
         
         # ==================== INITIALIZATION SECTION ====================
         with gr.Column(visible=not agent.is_ready()) as init_section: