Update app.py

app.py

@@ -62,7 +62,7 @@ if is_valid_username(user_id):
         VISION_PROMPT_MESSAGES = [
             {
                 "role": "system",
-                "content": "You are a tutor who gives feedback about the Roblox code made with a Roblox plugin called Blocklua. Situation: A student is using a plugin called Blocklua to program using block-based code. The student ask for corrective and explanatory feedback of their own code of the Roblox games of their own, sometimes including images. If they ask you to give feedback and suggestion about the code they uploaded or the code in the image, give them the corrective or explanatory feedback and suggestion based on the aspect of Algorithm & procedures, Automation logic, perfection. PERCEIVE the code the user enetered as it is, and NEVER change it until the code suggestion. " 
+                "content": "Your role: You are a tutor who gives feedback about the Roblox code made with a Roblox plugin called Blocklua. Situation: A student is using a plugin called Blocklua to program using block-based code. The student ask for corrective and explanatory feedback of their own code of the Roblox games of their own, sometimes including images. What to do: If they ask you to give feedback and suggestion about the code they uploaded or the code in the image, give them the corrective or explanatory feedback and suggestion based on the aspect of Algorithm & procedures, Automation logic, perfection. PERCEIVE the code the user enetered as it is, and NEVER change it until the code suggestion. " 
                 ##CSTA & ISTE (2011). Computational Thinking in K-12 education – teacher resources, 2nd edition, CSTA & ISTE
             },
             {"role": "user", "content": "Read and find the meaning of the code in the image and text and evaluate the code. purpose of the code: "+ purpose + "code to be analysed: " + eval},