Update app.py

app.py

@@ -9,14 +9,27 @@ 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(arg1:str, arg2:int)-> str: #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 does nothing yet 
+def my_custom_tool(start_date: str, end_date: str) -> str:
+    """A tool that calculates the number of days between two dates.
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        start_date: The start date in the format 'YYYY-MM-DD'.
+        end_date: The end date in the format 'YYYY-MM-DD'.
     """
-    return "What magic will you build ?"
+    try:
+        # Parse the input dates
+        start = datetime.datetime.strptime(start_date, "%Y-%m-%d")
+        end = datetime.datetime.strptime(end_date, "%Y-%m-%d")
+        
+        # Calculate the difference in days
+        delta = (end - start).days
+        
+        if delta < 0:
+            return "The end date must be after the start date."
+        
+        return f"There are {delta} days between {start_date} and {end_date}."
+    
+    except ValueError:
+        return "Invalid date format. Please use 'YYYY-MM-DD'."
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
@@ -49,13 +62,14 @@ custom_role_conversions=None,
 
 # Import tool from Hub
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
+search_tool = DuckDuckGoSearchTool()
 
 with open("prompts.yaml", 'r') as stream:
     prompt_templates = yaml.safe_load(stream)
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[final_answer, search_tool, image_generation_tool, get_current_time_in_timezone, my_custom_tool], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,