class_docstr: Converts an object to a specific numpy type (with the idea to be passed to ToTensor() next)
  
  :param type:  (one of `{numpy.double, numpy.float, numpy.int64, numpy.int32, and numpy.uint8})
code: def __call__(self, input_):
      if isinstance(input_, list):  # handle a simple list
          return np.array(input_, dtype=self.type)
      return input_.astype(self.type)
  
imports: import os
  import random
  import math
  import numpy
  import torch
label_desc: Use image node_id 2 for calling the ToNumpyType obj's underlying member method code with example usage: obj.__call__(input_) and returns: input_, np