change running_success in demo

app.py

@@ -759,9 +759,8 @@ def clear():
     return "", 0.1, "", problem_example_text_display, problem_example_text
 
 
-running_success = False
-
 with gr.Blocks(css=css, title="Math Olympiad Solver") as demo:
+    running_success = False
     btn_list = []
     problem_input_ele_list = []