type error, update arg

app.py

@@ -9,12 +9,12 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_custom_tool(state_county:str, sales_tax:int,item:str)-> int: #it's import to specify the return type
+def my_custom_tool(state_county:str, sales_tax:float,item:str)-> int: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool
     """A tool that finds a price of an item and calculates the sales tax of the supplied state or county and returns the price of the item
     Args:
         state_county: A string that represets the stae or county
-        sales_tax: An interger that represents the sales tax
+        sales_tax: An float that represents the sales tax
         item: A string representing the name of the item to be searched
     """
     price = item * sales_tax
@@ -58,7 +58,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, my_custom_tool, duckduckgo_search], ## add your tools here (don't remove final answer)
+    tools=[final_answer, my_custom_tool, DuckDuckGoSearchTool], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,