in awsglue/blueprint/job.py [0:0]
def __setattr__(self, key, value):
if key in self._validator and value:
value = ensure_type(key, value, self._validator[key][0])
if key == 'Name' and not CommandName.has_value(value):
raise TypeError('{} is not a valid value for key {} in {}'.format(value, key, self.__class__.__name__))
super().__setattr__(key, value)