Update app.py

app.py

@@ -38,12 +38,14 @@ def generate_mcqs_on_topic(text, topic, num_mcqs=5):
 
 def extract_options_and_correct_answer(api_response):
     if 'choices' in api_response:
-        message = api_response['choices'][0]['message']
-        content = message.get('content', "Unable to generate a question..")
-        options = message.get('options', [])
-        correct_answer = message.get('correct_answer', "Unknown")
-
-        return content, options, correct_answer
+        choices = api_response['choices']
+        if choices:
+            message = choices[0].get('message', {})
+            content = message.get('content', "Unable to generate a question..")
+            options = message.get('options', [])
+            correct_answer = message.get('correct_answer', "Unknown")
+
+            return content, options, correct_answer
 
     return "Unexpected API response format.", [], "Unknown"