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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 record_little_endian(self):
        # type: () -> bytes
        '''
        A method to generate a string representing the little endian version of
        this Path Table Record.

        Parameters:
         None.
        Returns:
         A string representing the little endian version of this Path Table Record.
        '''
        if not self._initialized:
            raise pycdlibexception.PyCdlibInternalError('Path Table Record not yet initialized')

        return self._record(self.extent_location, self.parent_directory_num)