@register.simple_tag(takes_context=False)
def explicit_no_context(arg):
    return "explicit_no_context - Expected result: %s" % arg
Make sure the bucket name conforms to Amazon's expectations as described at:
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/tests/regressiontests/templates/templatetags/custom.py/explicit_no_context--crossover with--dataset/ETHPy150Open CenterForOpenScience/osf.io/website/addons/s3/utils.py/validate_bucket_name