try to fix errors

app.py

@@ -4,17 +4,21 @@ import requests
 import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
+from tools.visit_webpage import VisitWebpageTool
 
 from Gradio_UI import GradioUI
 
-
 @tool
-def get_hello(name:str)-> str:
-    """A tool that greetings you by name
+def calculate_sum(numbers: list) -> str:
+    """A tool that calculates the sum of a list of numbers.
     Args:
-        name: the first name
+        numbers: A list of numbers to sum.
     """
-    return f'For the Hordr, {name}!'
+    try:
+        total = sum(numbers)
+        return f"The sum of the numbers is: {total}"
+    except Exception as e:
+        return f"Error calculating sum: {str(e)}"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
@@ -33,6 +37,7 @@ def get_current_time_in_timezone(timezone: str) -> str:
 
 
 final_answer = FinalAnswerTool()
+visit_web = VisitWebpageTool()
 
 # If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
 # model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 
@@ -40,21 +45,19 @@ final_answer = FinalAnswerTool()
 model = HfApiModel(
 max_tokens=2096,
 temperature=0.5,
-model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud',
-#model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
+model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
 custom_role_conversions=None,
 )
 
-
 # Import tool from Hub
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
 
 with open("prompts.yaml", 'r') as stream:
     prompt_templates = yaml.safe_load(stream)
-    
+
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, get_current_time_in_timezone, get_hello], ## add your tools here (don't remove final answer)
+    tools=[final_answer, visit_web], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,
@@ -64,5 +67,4 @@ agent = CodeAgent(
     prompt_templates=prompt_templates
 )
 
-
 GradioUI(agent).launch()