code: def testPatternInMiddle(self):
      self.assertEqual(
          "foo/bar/baz", self._canonicalize("foo_1/bar_1/baz")
      )
  
file_path: tensorflow/tensorflow/python/distribute/shared_variable_creator_test.py
imports: from tensorflow.python.distribute import shared_variable_creator
  from tensorflow.python.eager import test
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import variable_scope
  from tensorflow.python.ops import variable_v1
label_desc: Use image node_id 3 for calling the CanonicalizeVariableNameTest obj's underlying member method code with example usage: obj.testPatternInMiddle() without return types