Update app.py

app.py

@@ -1,3 +1,11 @@
+import gradio as gr
+import pandas as pd
+from mcq_generator import ImprovedMCQGenerator, is_suitable_for_students
+import io
+import tempfile
+import os
+
+
 def generate_mcqs_ui(paragraph, num_questions):
     if not paragraph.strip():
         return None, None, "⚠️ Please enter a valid paragraph."