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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def new(self, log_block_size):
        # type: (int) -> None
        '''
        Create a new Version Volume Descriptor.

        Parameters:
         log_block_size - The size of one extent.
        Returns:
         Nothing.
        '''
        if self._initialized:
            raise pycdlibexception.PyCdlibInternalError('This Version Volume Descriptor is already initialized')

        self._data = b'\x00' * log_block_size
        self._initialized = True