code: def test_scope(self):
      with self.test_session():
          x = tf.constant(2.0)
          x_new = ed.copy(x, scope="new_scope")
          self.assertTrue(x_new.name.startswith("new_scope"))
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import edward
  import numpy
  import tensorflow
  from edward.models import Bernoulli, Categorical, Mixture, Normal
label_desc: Use image node_id 1 for calling the test_copy_class obj's underlying member method code with example usage: obj.test_scope() without return types