我正在运行一个python 脚本，它从数据库中导出 xml，将记录转换为 PDF，然后尝试将 xml 和 pdf 文件上传到 github 存储库。导出和 pdf 转换工作正常，但该过程随后挂起并输出以下错误消息：
Traceback (most recent call last):
File "asExportIncremental.py", line 394, in <module>
main()
File "asExportIncremental.py", line 320, in main
gitPush()
File "asExportIncremental.py", line 308, in gitPush
repo.push()
File "C:\Python27\lib\site-packages\gittle\gittle.py", line 343, in push
return self.push_to(origin_uri, branch_name, progress)
File "C:\Python27\lib\site-packages\gittle\gittle.py", line 338, in push_to
progress=progress
File "C:\Python27\lib\site-packages\dulwich\client.py", line 440, in send_pack
proto, unused_can_read = self._connect('receive-pack', path)
File "C:\Python27\lib\site-packages\dulwich\client.py", line 893, in _connect
port=self.port, username=self.username)
File "C:\Python27\lib\site-packages\dulwich\client.py", line 758, in run_command
stdout=subprocess.PIPE)
File "C:\Python27\lib\subprocess.py", line 390, in __init__
errread, errwrite)
File "C:\Python27\lib\subprocess.py", line 640, in _execute_child
startupinfo)
WindowsError: [Error 2] The system cannot find the file specified
我的问题是我不确定脚本在哪里失败。“WindowsError: [Error 2] The system cannot find the file specified”指的是哪个文件？我如何解决它？谢谢！