twisted.python._release.CommandFailed(Exception) class documentationtwisted.python._release
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      Raised when a child process exits unsuccessfully.
| Instance Variable | exitStatus | The exit status for the child process. (type: int) | 
  
| Instance Variable | exitSignal | The exit signal for the child process. (type: int) | 
  
| Instance Variable | output | The bytes read from stdout and stderr of the child process. (type: str) | 
  
| Method | __init__ | Undocumented |