def validate_begin_transaction_req(self, req):
    _assert_initialized(req)
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dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/datastore/cloud_datastore_validator.py/_ServiceValidator.validate_begin_transaction_req--crossover with--dataset/ETHPy150Open twisted/nevow/nevow/loaders.py/xmlstr.load