human
Solve the following python programming problem given the following code:
@ register.assignment_tag (takes_context = True) 
def feincms_nav(context, feincms_page, level = 1, depth = 1, group = None) : 
    '
    Saves a list of pages into the given context variable.
    ' 
    page_class = _get_page_model () 
    if (not feincms_page) : 
        return [] 
if isinstance (feincms_page, HttpRequest) : 
        try : 
            feincms_page = page_class.objects.for_request (feincms_page, best_match = True) 
except page_class.DoesNotExist : 
            return [] 
mptt_opts = feincms_page._mptt_meta 
    mptt_level_range = [(level - 1), ((level + depth) - 1)] 
    queryset = feincms_page.__class__._default_manager.in_navigation ().filter (** { 
        ('%s__gte' % mptt_opts.level_attr) : mptt_level_range [0], 
        ('%s__lt' % mptt_opts.level_attr) : mptt_level_range [1], 
}) 
    page_level = getattr (feincms_page, mptt_opts.level_attr) 
    parent = None 
    if (level > 1) : 
        if ((level - 2) == page_level) : 
            parent = feincms_page 
else : 
            if ((level - 2) < depth) : 
                parent = feincms_page.get_ancestors () [(level - 2)] 
else : 
                if ((level - 1) > page_level) : 
                    queryset = page_class.objects.none () 
if parent : 
            if getattr (parent, 'navigation_extension', None) : 
                return list (parent.extended_navigation (depth = depth, request = context.get ('request'))) 
queryset &= parent.get_descendants () 
if (depth > 1) : 
        parents = set ([None]) 
        if parent : 
            parents.add (parent.id) 
def _parentactive_filter(iterable) : 
            for elem in iterable : 
                if (elem.parent_id in parents) : 
                    (yield elem) 
parents.add (elem.id) 
queryset = _parentactive_filter (queryset) 
if (group is not None) : 
        def _navigationgroup_filter(iterable) : 
            for elem in iterable : 
                if (getattr (elem, 'navigation_group', None) == group) : 
                    (yield elem) 
queryset =...

    
    

    Fix the buggy line: if ((level - 2) < depth) :
assistant
#Here is Python program to fix the buggy line: if ((level - 2) < depth) :
.

if ((level - 2) < page_level) :