Update app.py

app.py

@@ -167,6 +167,14 @@ def end_session():
     
     return filepath, f"✅ Evaluations saved as: {filename}"
 
+def get_preference_a():
+    """Wrapper for preference A."""
+    return record_preference("A")
+
+def get_preference_b():
+    """Wrapper for preference B."""
+    return record_preference("B")
+
 # Gradio interface
 with gr.Blocks(title="X-Ray Quality Evaluation") as demo:
     gr.Markdown("# 🏥 X-Ray Quality Evaluation System")
@@ -240,12 +248,12 @@ with gr.Blocks(title="X-Ray Quality Evaluation") as demo:
     )
     
     pref_a.click(
-        lambda: record_preference("A"),
+        get_preference_a,
         outputs=[image_a, image_b, progress_text, result_message]
     )
     
     pref_b.click(
-        lambda: record_preference("B"),
+        get_preference_b,
         outputs=[image_a, image_b, progress_text, result_message]
     )