code: def setUp(self):
      self.total = 1000000
      self.samples = 10000
      self.n_buckets = 100
      self.total_per_bucket = self.total // self.n_buckets
      self.assertEqual(
          self.total % self.n_buckets,
          0,
          "total must be evenly " "divisible by the number of buckets",
      )
      self.assertTrue(
          self.total > self.samples,
          "need to have more items " "than samples",
      )
  
imports: import tensorflow
  from tensorboard.backend.event_processing import reservoir
label_desc: Use image node_id 1 for calling the ReservoirBucketStatisticalDistributionTest obj's underlying member method code with example usage: obj.setUp() without return types