django_any/functions.py
def valid_choices(choices):
    """
    Return list of choices's keys
    """
    for key, value in choices:
        if isinstance(value, (list, tuple)):
            for key, _ in value:
                yield key
        else:
            yield key
def valid_choices(choices):
    """
    Return list of choices's keys
    """
    for key, value in choices:
        if isinstance(value, (list, tuple)):
            for key, _ in value:
                yield key
        else:
            yield key
Return list of choices's keys