code: def __init__(self, type_tag, full_tag, num_elements):
      self.type_tag, self.full_tag = type_tag, full_tag
      self.num_elements = num_elements
  
imports: import numpy
  from ..proto import Model_pb2
label_desc: Use image node_id 1 to create a new _DatatypeBase object  with example: obj = _DatatypeBase(type_tag, full_tag, num_elements)