Update app.py

app.py

@@ -1,7 +1,7 @@
-from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool
 import datetime
 import pytz
 import yaml
+from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool
 from tools.final_answer import FinalAnswerTool
 from Gradio_UI import GradioUI
 
@@ -10,10 +10,10 @@ from Gradio_UI import GradioUI
 def get_current_time_in_timezone(timezone: str) -> str:
     """
     Fetches the current local time in a specified timezone.
-    
+
     Args:
         timezone (str): The timezone string (e.g., 'America/New_York', 'Asia/Kolkata').
-        
+
     Returns:
         str: The current local time in the specified timezone.
     """
@@ -21,6 +21,8 @@ def get_current_time_in_timezone(timezone: str) -> str:
         tz = pytz.timezone(timezone)
         local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
         return f"The current local time in {timezone} is: {local_time}"
+    except pytz.UnknownTimeZoneError:
+        return f"Error: Invalid timezone '{timezone}'. Please use a valid timezone."
     except Exception as e:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
@@ -35,22 +37,26 @@ model = HfApiModel(
     custom_role_conversions=None,
 )
 
-# Import an image generation tool from Hugging Face Hub
+# Load Hugging Face's image generation tool
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
 
-# Load prompt templates
-with open("prompts.yaml", 'r') as stream:
-    prompt_templates = yaml.safe_load(stream)
+# Load prompt templates from YAML
+try:
+    with open("prompts.yaml", 'r') as stream:
+        prompt_templates = yaml.safe_load(stream)
+except FileNotFoundError:
+    prompt_templates = {}
+    print("Warning: prompts.yaml not found. Using empty prompt templates.")
 
 # Create the Agent with properly defined tools
 agent = CodeAgent(
     model=model,
     tools=[
-        final_answer, 
-        DuckDuckGoSearchTool(), 
-        get_current_time_in_timezone,  # Now properly formatted
+        final_answer,
+        DuckDuckGoSearchTool(),
+        get_current_time_in_timezone,
         image_generation_tool
-    ],  
+    ],
     max_steps=6,
     verbosity_level=1,
     grammar=None,
@@ -61,4 +67,5 @@ agent = CodeAgent(
 )
 
 # Launch UI
-GradioUI(agent).launch()
+if __name__ == "__main__":
+    GradioUI(agent).launch()