Update backend.py

backend.py

@@ -58,8 +58,8 @@ def generate_testcases(user_story):
             messages=[
                 {"role": "user", "content": prompt}
             ],
-            temperature=0.03,
-            top_p=0.7,
+            temperature=0.2,
+            top_p=0.5,
             max_tokens=4096,
             stream=True
         )