@register.simple_tag(takes_context=True)
def remove_last_crumb(context):
    context['request'].breadcrumbs.pop()
    return ""
Validates that all items in the list are of the correct type.
dataset/ETHPy150Open django-erp/django-erp/djangoerp/core/templatetags/breadcrumbs.py/remove_last_crumb--crossover with--dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/ext/db/__init__.py/ListProperty.validate_list_contents