from pathlib import Path
import os

path=Path(r'C:\wechat_rpa\wecom_native_sender.py')
text=path.read_text(encoding='utf-8')
old="""        after=_file_identity(os.fstat(handle.fileno()))
    if before!=after or before!=_path_file_identity(path):
        raise NativeUnavailable('企业微信文件在校验期间发生变化，请重新检测')
"""
new="""        after=_file_identity(os.fstat(handle.fileno()))
        if before!=after or before!=_path_file_identity(path):
            raise NativeUnavailable('企业微信文件在校验期间发生变化，请重新检测')
"""
assert old in text
text=text.replace(old,new,1)
compile(text,str(path),'exec')
temp=path.with_suffix('.identity-fix-tmp');temp.write_text(text,encoding='utf-8');os.replace(temp,path)