code: def test_assert(self):
      source = "assert a"
      self.assertDepends(source, set(), {"a"}, set())
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import unittest
  import ast
  from ...asttools.visitors.graph_visitor import GraphGen
  from ...asttools.visitors.graph_visitor import DiGraph
  from ...asttools.tests import AllTypesTested, skip_networkx
label_desc: Use image node_id 29 for calling the Test obj's underlying member method code with example usage: obj.test_assert() without return types