Update app.py

app.py

@@ -8,7 +8,15 @@ from Gradio_UI import GradioUI
 # Define tool for fetching current time in a timezone
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
-    """Fetches the current local time in a specified timezone."""
+    """
+    Fetches the current local time in a specified timezone.
+
+    Args:
+        timezone (str): A valid timezone string (e.g., 'Asia/Kolkata', 'America/New_York').
+
+    Returns:
+        str: The current time in the given timezone or an error message.
+    """
     try:
         tz = pytz.timezone(timezone)
         local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
@@ -16,6 +24,7 @@ def get_current_time_in_timezone(timezone: str) -> str:
     except Exception as e:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
+
 # Define tool for AI research paper search
 @tool
 def fetch_ai_research_papers(query: str) -> str: