Update app.py

app.py

@@ -33,6 +33,9 @@ model = HfApiModel(
 def my_custom_tool(city1: str, city2: str) -> str:
     """
     A tool that searches for the top 5 sightseeing locations in two cities.
+    Args:
+        city1: the name of the first city 
+        city2: the name of the second city
     """
     # Query the search model as plain text
     text_city1 = search_model(f"List the top 5 sightseeing locations in {city1}")
@@ -52,6 +55,11 @@ def my_custom_tool(city1: str, city2: str) -> str:
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
+
+    """A tool that fetches the current local time in a specified timezone.
+    Args:
+        timezone: A string representing a valid timezone (e.g., 'America/New_York').
+    """
     try:
         tz = pytz.timezone(timezone)
         local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")