@register.filter
def input_class(field):
    return field.field.widget.__class__.__name__.lower()
all(a, [,axis=(axis0, axis1, ...)]) --> bool or Array of booleans
dataset/ETHPy150Open mishbahr/django-users2/users/templatetags/form_tags.py/input_class--crossover with--dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.5/extras/completion/py/pymel/util/arrays.py/all