class_docstr: DGL datatype structure
code: def __repr__(self):
      x = "%s%d" % (DGLDataType.CODE2STR[self.type_code], self.bits)
      if self.lanes != 1:
          x += "x%d" % self.lanes
      return x
  
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 3 for calling the DGLDataType obj's underlying member method code with example usage: obj.__repr__() and returns: x