human
Solve the following python programming problem given the following code:
def _make_safearray_type(itemtype) : 
    from comtypes.automation import _ctype_to_vartype, VT_RECORD, VT_UNKNOWN, IDispatch, VT_DISPATCH 
    meta = type (_safearray.tagSAFEARRAY) 
    sa_type = meta.__new__ (meta, ('SAFEARRAY_%s' % itemtype.__name__), (_safearray.tagSAFEARRAY,), { 
        
}) 
    try : 
        vartype = _ctype_to_vartype [itemtype] 
        extra = None 
except KeyError : 
        if issubclass (itemtype, Structure) : 
            try : 
                guids = itemtype._recordinfo_ 
except AttributeError : 
                extra = None 
else : 
                from comtypes.typeinfo import GetRecordInfoFromGuids 
                extra = GetRecordInfoFromGuids (* guids) 
vartype = VT_RECORD 
else : 
            if issubclass (itemtype, POINTER (IDispatch)) : 
                vartype = VT_DISPATCH 
                extra = pointer (meta._iid_) 
else : 
                if issubclass (itemtype, POINTER (IUnknown)) : 
                    vartype = VT_UNKNOWN 
                    extra = pointer (itemtype._iid_) 
else : 
                    raise TypeError (itemtype) 
@ Patch (POINTER (sa_type)) 
    class _ (object) : 
        _itemtype_ = itemtype 
        _vartype_ = vartype 
        _needsfree = False 
        @ classmethod 
        def create(cls, value, extra = None) : 
            'Create a POINTER(SAFEARRAY_...) instance of the correct
            type.
value is an object containing the items to store.

            Python lists, tuples, and array.array instances containing
            compatible item types can be passed to create
            one-dimensional arrays.  To create multidimensional arrys,
            numpy arrays must be passed.
            ' 
            if npsupport.isndarray (value) : 
                return cls.create_from_ndarray (value, extra) 
pa = _safearray.SafeArrayCreateVectorEx (cls._vartype_, 0, len (value), extra) 
            if (not pa) : 
                if ((cls._vartype_ == VT_RECORD) and (extra is None)) : 
                    raise TypeError ('Cannot...

    
    

    Fix the buggy line: extra = pointer (meta._iid_)
assistant
#Here is Python program to fix the buggy line: extra = pointer (meta.

extra = pointer (itemtype._iid_)