Fixed error

mcp_server.py

@@ -1,6 +1,6 @@
 from mcp.server.fastmcp import FastMCP
 from src.utils.change_format import change_format
-from src.utils import remove_background
+from src.utils.remove_background import remove_background_from_url
 from src.utils.visualize_image import visualize_base64_image
 from src.utils.generate_image import generate_image
 from src.utils.apply_filter import apply_filter
@@ -22,7 +22,7 @@ def say_hello(name: str) -> str:
   """
   return f"Hello, {name}!"
 
-mcp.add_tool(remove_background)
+mcp.add_tool(remove_background_from_url)
 mcp.add_tool(describe_image)
 mcp.add_tool(change_format)
 mcp.add_tool(visualize_base64_image)