Update app.py

app.py

@@ -744,24 +744,7 @@ def create_quiz_interface():
                 """Navigate to Get Certified tab"""
                 return gr.update(selected=2)
     
-            # Event handlers
-            generate_btn.click(
-                fn=on_generate_questions,
-                inputs=[text_input, num_questions],
-                outputs=[
-                    question_display,
-                    current_options,
-                    question_counter,
-                    question_box,
-                    current_questions,
-                    current_question_idx,
-                    answer_state,
-                    tabs,
-                    results_group,
-                    view_cert_btn
-                ]
-            )
-    
+
             # Fix View Certificate navigation
             view_cert_btn.click(
                 fn=goto_certificate,
@@ -896,8 +879,8 @@ def create_quiz_interface():
                 results_group,
                 view_cert_btn
             ]
-        ).then(
-            lambda: gr.update(selected=1),  # Navigate to Take Assessment tab
+        ).then(  # Force navigation to assessment tab
+            fn=lambda: gr.Tabs(selected=1),
             outputs=tabs
         )
 
@@ -918,7 +901,6 @@ def create_quiz_interface():
                 question_box
             ]
         )
-
         next_btn.click(
             fn=handle_next,
             inputs=[
@@ -943,6 +925,7 @@ def create_quiz_interface():
             outputs=answer_state
         )
 
+
         submit_btn.click(
             fn=on_submit,
             inputs=[
@@ -961,7 +944,7 @@ def create_quiz_interface():
                 view_cert_btn
             ]
         )
-
+        
         reset_btn.click(
             fn=reset_quiz,
             inputs=[text_input, num_questions],
@@ -980,17 +963,22 @@ def create_quiz_interface():
         )
 
         view_cert_btn.click(
-            fn=view_certificate,
+            fn=lambda: gr.Tabs(selected=2),  # Directly navigate to certificate tab
+            outputs=tabs
+        )
+        back_to_assessment.click(
+            fn=lambda: gr.Tabs(selected=1),  # Navigate back to assessment tab
             outputs=tabs
         )
 
+
         # Certificate generation
         score_display.change(
             fn=quiz_app.certificate_generator.generate,
             inputs=[score_display, name, course_name, company_logo, participant_photo],
             outputs=certificate_display
         )
-
+        
     return demo
 
 if __name__ == "__main__":