def b64encode_url(istr):
    return urlsafe_b64encode(encode_safe(istr)).rstrip('=')
Axis fields are grammar checked
dataset/ETHPy150Open Demonware/jose/jose.py/b64encode_url--crossover with--dataset/ETHPy150Open wrobstory/vincent/tests/test_vega.py/TestAxis.test_validation_checking