python pyexecjs执行含有中文字符的js脚本报错

报错信息如下:
  File "C:\ProgramData\Anaconda3\lib\threading.py", line 926, in _bootstrap_inner
self.run()
File "C:\ProgramData\Anaconda3\lib\threading.py", line 870, in run
self._target(*self._args, **self._kwargs)
File "C:\ProgramData\Anaconda3\lib\subprocess.py", line 1238, in _readerthread
buffer.append(fh.read())
UnicodeDecodeError: 'gbk' codec can't decode byte 0xbd in position 52: illegal multibyte sequence

 
  File "C:\ProgramData\Anaconda3\lib\site-packages\execjs\_external_runtime.py", line 103, in _exec_with_pipe
stdoutdata, stderrdata = p.communicate(input=input)
File "C:\ProgramData\Anaconda3\lib\subprocess.py", line 939, in communicate
stdout, stderr = self._communicate(input, endtime, timeout)
File "C:\ProgramData\Anaconda3\lib\subprocess.py", line 1288, in _communicate
stdout = stdout[0]
IndexError: list index out of range

使用nodejs直接执行js是没有问题,同样代码在linux上执行也没有问题。 
原因是windows的默认编码为cp396,修改subprocess.py文件的默认编码就可以解决。
 
    def __init__(self, args, bufsize=-1, executable=None,
stdin=None, stdout=None, stderr=None,
preexec_fn=None, close_fds=True,
shell=False, cwd=None, env=None, universal_newlines=None,
startupinfo=None, creationflags=0,
restore_signals=True, start_new_session=False,
pass_fds=(), *, encoding="None", errors=None, text=None):

把上面的encoding=None改为 encoding="utf-8",就可以了。

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