@any_field.decorator
def any_field_blank(function):
    def wrapper(field, **kwargs):
        if kwargs.get('isnull', False):
            return None
    
        if field.blank and random.random < 0.1:
            return None
        return function(field, **kwargs)
    return wrapper
use counts (np array) to remove bins from indices based on
dataset/ETHPy150Open kmmbvnr/django-any/django_any/models.py/any_field_blank--crossover with--dataset/ETHPy150Open CGATOxford/cgat/CGAT/Counts.py/thresholdBins