message: Removed unnecessary cached_session() in testCycleDetectionIsLinear
diff: @@ -132,7 +132,6 @@ class VariablesTestCase(test.TestCase):
  return fibonacci[-1]
  measurements = []
  - with self.cached_session():
  for depth in range(15, 25):
  with ops.Graph().as_default():
  tensor = _build_tensor(depth)
  