def DecodeData(self, encoded_text_data, encoding):
    if encoding != 'base64url':
      raise ValueError('Unknown encoding %s' % encoding)
    return base64.urlsafe_b64decode(encoded_text_data.encode('utf-8'))
:param A:
dataset/ETHPy150Open mimecuvalo/helloworld/packages/magicsig/__init__.py/MagicEnvelopeProtocol.DecodeData--crossover with--dataset/ETHPy150Open algorhythms/LintCode/Continuous Subarray Sum II.py/Solution.continuousSubarraySumII