Update app.py

app.py

@@ -22,15 +22,19 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
 
 @tool
-def generate_image(prompt: str):
+def generate_image(prompt: str) -> str:
     """
-    Generates an image from a text prompt.
+    Generates an image from a text prompt and saves it locally.
 
     Args:
         prompt: A detailed description of the image to generate.
     """
     image = image_generation_tool(prompt)
-    return image
+
+    filename = f"{uuid.uuid4()}.png"
+    image.save(filename)
+
+    return filename
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: