我在循环文件列表时遇到错误。该错误仅在循环中运行时发生。
我已经确保所有的文件都是有效的，我已经运行了下面的代码，用整数替换for循环中的x，它突然工作得很好。

src = open(SF_list[x]).read()
SE.data = SFC.decrypt(src)
print(f'[{x}] - {SE.getName()}({SF_names[x]})')

也许你们可以帮我，提前谢谢！
错误：

Traceback (most recent call last):
  File "c:\Users\USER\Documents\Projects\PROJECT\Interface.py", line 19, in <module>
    SE.data = SFC.decrypt(src)
  File "c:\Users\USER\Documents\Projects\PROJECT\SFCrypto.py", line 19, in decrypt
    return json.loads(save)
  File "C:\Python310\lib\json\__init__.py", line 341, in loads
    s = s.decode(detect_encoding(s), 'surrogatepass')
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xac in position 2: invalid start byte

Interface.py

import SFCrypto as SFC

SF_folder = os.getenv('LOCALAPPDATA')+'\EXAMPLEPATH'
SF_list = glob.glob(SF_folder + "/*.FILEENDING")
SF_names = [os.path.splitext(os.path.basename(file))[0] for file in SF_list]

vault = ''

if __name__ == '__main__':

    if vault == '':
        for x in range(SF_list.__len__()):
            src = open(SF_list[x]).read()
            SE.data = SFC.decrypt(src)
            print(f'[{x}] - {SE.getName()}({SF_names[x]})')

SFCrypto：

def decrypt(save: str) -> dict:
  save = base64.b64decode(save)
  save = CIPHER.decrypt(save)
  padding_symbol = save[-1]
  if padding_symbol < 16:
    save = save[:-padding_symbol]
  return json.loads(save)

def encrypt(save: dict) -> str:
  save = json.dumps(save, separators=(',', ':'))
  save = save.encode()
  tail = len(save) % 16
  if tail > 0:
    padding_symbol = 16 - tail
    save += bytes((padding_symbol,)) * padding_symbol
  save = CIPHER.encrypt(save)
  return base64.b64encode(save).decode()