Fix models option

app.py

@@ -26,7 +26,7 @@ col1, col2, col3 = st.columns(3)
 with col1:
     models = (
         'gpt-4-turbo',
-        'gemini-1.5-pro-latest'
+        'gemini-1.5-pro-latest',
         # 'llama-3-sonar-large-32k-chat',
         # 'mixtral-8x7b-instruct',
     )
@@ -47,13 +47,13 @@ with col2:
 
 with col3:
     models_val = (
+        'gemini-1.5-pro-latest',
         'gpt-4-turbo',
-        'gemini-1.5-pro-latest'
+        'mixtral-8x7b-instruct',
         # 'llama-3-sonar-large-32k-chat',
-        # 'mixtral-8x7b-instruct',
     )
     model_val = st.selectbox(
-        'Model validator selection:', models, key='model_val'
+        'Model validator selection:', models_val, key='model_val'
     )