promtp change again

app.py

@@ -785,8 +785,8 @@ Action: (the tool to use, if needed)
 Action Input: (input to the tool)
 Observation: (result of the tool call)
 
-Repeat this process as needed. ONLY AFTER finishing your reasoning and tool use, provide:
-YOUR FINAL ANSWER: (a number, string, or comma-separated list — no explanation, no thoughts, just the answer)
+Repeat this process as needed. ONLY AFTER finishing your reasoning and tool use, provide: YOUR FINAL ANSWER 
+YOUR FINAL ANSWER should be just a number, string, or comma-separated list with no explanations, no thoughts, just the answer
 
 You also have access to a set of tools, which you can use to answer the question. The available tools are:
 {tool_descriptions}