class twisted.internet.utils._UnexpectedErrorOutput(IOError): (source)
Standard error data was received where it was not expected. This is a subclass of IOError to preserve backward compatibility with the previous error behavior of getProcessOutput.
| Instance Variable | processEnded | A Deferred which will fire when the process which produced the data on stderr has ended (exited and all file descriptors closed). |
| Method | __init__ | Undocumented |