Python 3.5.2 - shutil.copy2 OSError：[Errno 9]错误的文件描述符

Question

使用shutil.copy2复制大文件时，我随机收到此错误。复制过程已启动，并在复制操作期间返回错误。这个库是否对python 3不稳定，是否有更好的复制大文件的解决方案？

代码很简单：shutil.copy2(source_path, destination_path)

Error
Traceback (most recent call last):
  File "D:\Tests\Tests.py", line 24, in test_copy_large_file
    shutil.copy2(large_file_path, destination_path)
  File "C:\Users\me\AppData\Local\Programs\Python\Python35-32\lib\shutil.py", line 251, in copy2
    copyfile(src, dst, follow_symlinks=follow_symlinks)
  File "C:\Users\me\AppData\Local\Programs\Python\Python35-32\lib\shutil.py", line 116, in copyfile
    copyfileobj(fsrc, fdst)
  File "C:\Users\me\AppData\Local\Programs\Python\Python35-32\lib\shutil.py", line 76, in copyfileobj
    fdst.write(buf)
OSError: [Errno 9] Bad file descriptor