Update demo.py

demo.py

@@ -171,7 +171,7 @@ def on_url_change(url, state):
     state = state | material
     state['material_url'] = url
 
-    lo_component = gr.Dropdown(label="Learning Objective", choices=[], value="placeholder", interactive=False)
+    lo_component = gr.Dropdown(label="Learning Objective", choices=[], value="placeholder", interactive=True)
 
     return [gr.Radio(label="Topic", choices=topics, interactive=True), lo_component, state]
 
@@ -326,8 +326,8 @@ with gr.Blocks(title="Educational AI", css=css) as demo:
 
         with gr.Column(scale=3):
             language_component = gr.Dropdown(languages, label="Exercise Language", value="English")
-            topic_component = gr.Radio(label="Topic", choices=["placeholder"], interactive=False)
-            lo_component = gr.Dropdown(label="Learning Objective", choices=[], value="placeholder", interactive=False)
+            topic_component = gr.Radio(label="Topic", choices=["placeholder"], interactive=True)
+            lo_component = gr.Dropdown(label="Learning Objective", choices=[], value="placeholder", interactive=True)
             question_type_component = gr.Dropdown(label="Question Type", choices=type_of_exercise, type="index", value=0)
             
             correct_answers_component = gr.Number(value=1, minimum=1, maximum=3, step=1, label="Number of correct answers", visible=False)