human
Solve the following python programming problem given the following code:
def generate_graph_data(app_labels, **kwargs) : 
    cli_options = kwargs.get ('cli_options', None) 
    disable_fields = kwargs.get ('disable_fields', False) 
    include_models = parse_file_or_list (kwargs.get ('include_models', '')) 
    all_applications = kwargs.get ('all_applications', False) 
    use_subgraph = kwargs.get ('group_models', False) 
    verbose_names = kwargs.get ('verbose_names', False) 
    inheritance = kwargs.get ('inheritance', True) 
    relations_as_fields = kwargs.get ('relations_as_fields', True) 
    sort_fields = kwargs.get ('sort_fields', True) 
    language = kwargs.get ('language', None) 
    if (language is not None) : 
        activate_language (language) 
exclude_columns = parse_file_or_list (kwargs.get ('exclude_columns', '')) 
    exclude_models = parse_file_or_list (kwargs.get ('exclude_models', '')) 
    def skip_field(field) : 
        if exclude_columns : 
            if (verbose_names and field.verbose_name) : 
                if (field.verbose_name in exclude_columns) : 
                    return True 
if (field.name in exclude_columns) : 
                return True 
return False 
if all_applications : 
        app_labels = list_app_labels () 
graphs = [] 
    for app_label in app_labels : 
        app = get_app (app_label) 
        if (not app) : 
            continue 
graph = Context ({ 
            'name' : ('"%s"' % app.__name__), 
            'app_name' : ('%s' % '.'.join (app.__name__.split ('.') [: (- 1)])), 
            'cluster_app_name' : ('cluster_%s' % app.__name__.replace ('.', '_')), 
            'models' : [], 
}) 
        appmodels = list (get_models_compat (app_label)) 
        abstract_models = [] 
        for appmodel in appmodels : 
            abstract_models = (abstract_models + [abstract_model for abstract_model in appmodel.__bases__ if (hasattr (abstract_model, '_meta') and abstract_model._meta.abstract)]) 
abstract_models = list (set (abstract_models)) 
        appmodels = (abstract_models + appmodels) 
        for appmodel in appmodels...

    
    

    Fix the buggy line: for field in add_relation._meta.local_many_to_many :
assistant
#Here is Python code to fix the buggy line: for field in add_relation.

for field in appmodel._meta.local_many_to_many :