Update app.py

app.py

@@ -10,7 +10,11 @@ from Gradio_UI import GradioUI
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
 def get_inflation_rate(city: str) -> str:
-    """A tool that estimates the inflation rate for the given city using web search."""
+    """A tool that estimates the inflation rate for the given city 
+    using web search.
+    
+    Args:
+    city: city name"""
     try:
         query = f"current inflation rate in {city}"
         with DDGS() as ddgs: