Style fix. (#8390)

Author: comfyanonymous

server.py

@@ -390,7 +390,7 @@ def image_save_function(image, post, filepath):
         async def view_image(request):
             if "filename" in request.rel_url.query:
                 filename = request.rel_url.query["filename"]
-                filename,output_dir = folder_paths.annotated_filepath(filename)
+                filename, output_dir = folder_paths.annotated_filepath(filename)
 
                 if not filename:
                     return web.Response(status=400)