code: def astype(self, *args, **kwargs):
      return anp._astype(self, *args, **kwargs)
  
imports: from __future__ import absolute_import
  import numpy
  from autograd.extend import Box, primitive
  from autograd.builtins import SequenceBox
  from .None import numpy_wrapper
label_desc: Use image node_id 3 for calling the ArrayBox obj's underlying member method code with example usage: obj.astype() and returns: anp