change temp from 0.7 to 1

app.py

@@ -28,7 +28,7 @@ def chat(user_message, chat_history, chat_pairs, sources, plan):
     # Call OpenAI's ChatCompletion to get assistant's reply
     try:
         model = os.getenv("OPENAI_MODEL", "gpt-5-mini")
-        temperature = float(os.getenv("TEMPERATURE", "0.7"))
+        temperature = float(os.getenv("TEMPERATURE", "1"))
         max_completion_tokens = int(os.getenv("MAX_OUTPUT_TOKENS", "1024"))
         # Support alternative secret name COURSECREATOR_API_KEY as a fallback for the OpenAI API key
         api_key = os.getenv("OPENAI_API_KEY") or os.getenv("COURSECREATOR_API_KEY")