Update app.py

app.py

@@ -29,7 +29,7 @@ def generate(description, system_role_name, max_tokens):
     payload = {
         'messages': [{'role': 'system', 'content': system_role}, {'role': 'user', 'content': description}],
         'max_tokens': max_tokens,
-        'model': "gemini-1.5-pro-latest",
+        'model': "gemini-2.0-flash",
         'stream': True
     }