Update app.py

app.py

@@ -20,7 +20,14 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
 
 @tool
 def calculate_square_root(number: float) -> float:
-    """Calculates the square root of a given number."""
+    """Calculates the square root of a given number.
+
+    Args:
+        number: The number to calculate the square root of.
+
+    Returns:
+        The square root of the number.
+    """
     return math.sqrt(number)
     
 @tool