code: def test_if_else(self):
      source = "if a: b\nelse: c"
      self.assertDepends(
          source, {("b", "a"), ("c", "a")}, {"a", "b", "c"}, 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 26 for calling the Test obj's underlying member method code with example usage: obj.test_if_else() without return types