code: def test_list_comp(self):
      source = "a = [b for b in c]"
      self.assertDepends(source, {("a", "c")})
  
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 34 for calling the Test obj's underlying member method code with example usage: obj.test_list_comp() without return types