code: def make_variable(self, *args):
      if len(args) > 1:
          return [tf.Variable(k) for k in args]
      else:
          return tf.Variable(args[0])
  
file_path: tensorpack/tensorpack/models/models_test.py
imports: import logging
  import unittest
  import numpy
  from ..compat import tfv1
  from .conv2d import Conv2DTranspose
  from .pool import FixedUnPooling
label_desc: Use image node_id 2 for calling the TestModel obj's underlying member method code with example usage: obj.make_variable() and returns: unknown, tf