Update app.py

app.py

@@ -20,7 +20,7 @@ def my_custom_tool(arg1:str, img: bool)-> str: #it's import to specify the retur
     """
     try:
         if img:
-            return Image.open(image_generation_tool(arg1))
+            return Image.open(image_generation_tool(arg1)).convert('RGB')
         else:
             search_obj = DuckDuckGoSearchTool()
             answer = search_obj(arg1)