def traverse_local_prefs(stepback=0):
    locals_dict = get_frame_locals(stepback+1)
    for k in locals_dict:
        if not k.startswith('_') and k.upper() == k:
            yield k, locals_dict
Map our current slice to CFG.
dataset/ETHPy150Open idlesign/django-siteprefs/siteprefs/utils.py/traverse_local_prefs--crossover with--dataset/ETHPy150Open angr/angr/angr/analyses/backward_slice.py/BackwardSlice._map_to_cfg