class_docstr: DGL datatype structure
code: def __init__(self, type_str):
      pass
  
imports: from __future__ import absolute_import
  import ctypes
  import json
  import numpy
  from ..None import _api_internal
  from .base import _LIB, check_call
label_desc: Use image node_id 2 to create a new DGLDataType object from inherited base classes: ctypes with example: obj = DGLDataType(type_str)