human
Solve the following python programming problem given the following code:
def diskstats() : 
    "
    Return the disk stats for this minion

    CLI Example:

    .. code-block:: bash

        salt '*' status.diskstats
    " 
    def linux_diskstats() : 
        '
        linux specific implementation of diskstats
        ' 
        procf = '/proc/diskstats' 
        if (not os.path.isfile (procf)) : 
            return { 
                
} 
stats = salt.utils.fopen (procf, 'r').read ().splitlines () 
        ret = { 
            
} 
        for line in stats : 
            if (not line) : 
                continue 
comps = line.split () 
            ret [comps [2]] = { 
                'major' : _number (comps [0]), 
                'minor' : _number (comps [1]), 
                'device' : _number (comps [2]), 
                'reads_issued' : _number (comps [3]), 
                'reads_merged' : _number (comps [4]), 
                'sectors_read' : _number (comps [5]), 
                'ms_spent_reading' : _number (comps [6]), 
                'writes_completed' : _number (comps [7]), 
                'writes_merged' : _number (comps [8]), 
                'sectors_written' : _number (comps [9]), 
                'ms_spent_writing' : _number (comps [10]), 
                'io_in_progress' : _number (comps [11]), 
                'ms_spent_in_io' : _number (comps [12]), 
                'weighted_ms_spent_in_io' : _number (comps [13]), 
} 
return ret 
def freebsd_diskstats() : 
        '
        freebsd specific implementation of diskstats
        ' 
        ret = { 
            
} 
        iostat = __salt__ ['cmd.run'] ('iostat -xzd').splitlines () 
        header = iostat [1] 
        for line in iostat [2 :] : 
            comps = line.split () 
            ret [comps [0]] = { 
                
} 
            for (metric, value) in zip (header.split () [1 :], comps [1 :]) : 
                ret [comps [0]] [metric] = _number (value) 
return ret 
get_version = { 
        'Linux' : get_version, 
        'FreeBSD' : freebsd_diskstats, 
} 
    errmsg = 'This method is...

    
    

    Fix the buggy line: 'Linux' : get_version ,
assistant
#Here is Python program to fix the buggy line: 'Linux' : get_version ,
.

'Linux' : def linux_diskstats(,