twisted.internet.utils._UnexpectedErrorOutput(IOError) class documentationtwisted.internet.utils
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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 Deferredwhich will fire when the process which produced the data on stderr has 
ended (exited and all file descriptors closed). | 
| Method | __init__ | Undocumented | 
Deferred 
which will fire when the process which produced the data on stderr has 
ended (exited and all file descriptors closed).