def _doCommand(self, proto):

        def _massageError(error):
            error.trap(RemoteAmpError)
            rje = error.value
            errorType = self.reverseErrors.get(rje.errorCode,
                                               UnknownRemoteError)
            return Failure(errorType(rje.description))

        d = proto._sendBoxCommand(self.commandName,
                                  self.makeArguments(self.structured, proto),
                                  self.requiresAnswer)

        if self.requiresAnswer:
            d.addCallback(self.parseResponse, proto)
            d.addErrback(_massageError)

        return d
Correct length..
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/protocols/amp.py/Command._doCommand--crossover with--dataset/ETHPy150Open typesupply/woffTools/Lib/woffTools/test/test_validate.py/metadataDecompressedLengthTest1