def get_prep_value(self, value):
        if value is None:
            return None
        return unicode(value)
Remove the first occurrence of the item.
dataset/ETHPy150Open madisona/django-google-maps/django_google_maps/fields.py/GeoLocationField.get_prep_value--crossover with--dataset/ETHPy150Open rwl/muntjac/muntjac/ui/menu_bar.py/MenuItem.removeChild