changed function name

app.py

@@ -9,7 +9,7 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_custom_tool(current_time: int) -> str:
+def old_faithful_eruption(current_time: int) -> str:
     """
     A tool that checks how many minutes ago the latest eruption
     of Old Faithful occurred using the GeyserTimes API.