unable to get list of all files in firebase storage

[codewithawr]

i have a directory (wallpaper_app/Best_Wallpapers) in storage of firebase and it have some files iwant URL's of them all

but when i try to get list_files by
image = storage.child('wallpaper_app/Best_Wallpapers/').list_files()

iam facing error

File "d:\Project\wallpaper-app-kivy\temp.py", line 33, in <module>
  imageUrl = storage.list_files()
File "D:\Project\wallpaper-app-kivy\wallpaper-app\lib\site-packages\pyrebase\pyrebase.py", line 507, in list_files
  return self.bucket.list_blobs()
AttributeError: 'Storage' object has no attribute 'bucket'

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[codewithawr]

it jest need a file from firebase service Account file and give its path to config dic() by name key of "serviceAccount"

[codewithawr]

ther also a way do it without service Account? because iam making kivymd app and i dont want add service Account file to it