add fetch_webpage tool

app.py

@@ -9,14 +9,15 @@ 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 fetch_webpage(url: str)-> str:
+    """A tool that fetches a web page
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        url: the URL of the web page to fetch
     """
-    return "What magic will you build ?"
+    r = requests.get(url)
+    if r.ok:
+        return r.text
+    return f"could not fetch URL {url}: {r.status_code} {r.text}"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
@@ -55,7 +56,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[get_current_time_in_timezone, my_custom_tool, image_generation_tool, final_answer], ## add your tools here (don't remove final answer)
+    tools=[get_current_time_in_timezone, fetch_webpage, image_generation_tool, final_answer], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,