@register.filter
def check_in_set(value, arg):
    
    if arg.filter(pk=value.pk).count():
        return "checked"
    else:
        return ""
The worker creates a TaskProcessor Object
dataset/ETHPy150Open fp7-ofelia/ocf/optin_manager/src/python/openflow/common/utils/templatetags/ch_extras.py/check_in_set--crossover with--dataset/ETHPy150Open ODM2/ODMToolsPython/odmtools/common/taskServer.py/TaskServerMP.worker