'Perform an upload for a single file.
@param local: Path to local file.
@type local: L{str}.
@param remote: Remote path for the request relative to current working
directory.
@type remote: L{str}
@return: A deferred which fires when transfer is done.'

def _putSingleFile(self, local, remote):

    return self._cbPutMultipleNext(None, [local], remote, single=True)
