<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def update_extent_location(self, extent_loc):
        # type: (int) -> None
        '''
        A method to update the extent location for this Path Table Record.

        Parameters:
         extent_loc - The new extent location.
        Returns:
         Nothing.
        '''
        if not self._initialized:
            raise pycdlibexception.PyCdlibInternalError('Path Table Record not yet initialized')

        self.extent_location = extent_loc