code: def test_hash(self):
      x1 = provider.BlobSequenceDatum(
          step=12, wall_time=0.25, values=("foo", "bar", "baz")
      )
      x2 = provider.BlobSequenceDatum(
          step=12, wall_time=0.25, values=("foo", "bar", "baz")
      )
      x3 = provider.BlobSequenceDatum(
          step=23, wall_time=3.25, values=("qux",)
      )
      self.assertEqual(hash(x1), hash(x2))
      # The next check is technically not required by the `__hash__`
      # contract, but _should_ pass; failure on this assertion would at
      # least warrant some scrutiny.
      self.assertNotEqual(hash(x1), hash(x3))
  
imports: import numpy
  from tensorboard import test
  from tensorboard.data import provider
label_desc: Use image node_id 3 for calling the BlobSequenceDatumTest obj's underlying member method code with example usage: obj.test_hash() without return types