move definition of function

tools.py

@@ -94,6 +94,10 @@ generate_image_tool = Tool.from_function(
 )
 
 
+def youtube_rag(prompt: str):
+    answer = _youtube_rag(prompt)
+    return f" {answer}."
+
 import os
 import openai
 from langchain.chat_models import ChatOpenAI
@@ -137,9 +141,7 @@ generate_image_tool = Tool.from_function(
 )
 
 
-def youtube_rag(prompt: str):
-    answer = _youtube_rag(prompt)
-    return f" {answer}."
+