code: def test_when_bucket_count_not_statically_known(self):
      self.skipTest("TODO: figure out how to test this")
      placeholder = tf.compat.v1.placeholder(tf.int32, shape=())
      bucket_count = 44
      pb = self.histogram(
          bucket_count=bucket_count,
          bucket_count_tensor=placeholder,
          feed_dict={placeholder: bucket_count},
      )
      buckets = tensor_util.make_ndarray(pb.value[0].tensor)
      self.assertEqual(buckets.shape, (bucket_count, 3))
  
imports: import glob
  import os
  import numpy
  import tensorflow
  from tensorboard.compat import tf2
  from tensorboard.compat.proto import summary_pb2
  from tensorboard.plugins.histogram import metadata
  from tensorboard.plugins.histogram import summary
  from tensorboard.util import tensor_util
label_desc: Use image node_id 11 for calling the SummaryBaseTest obj's underlying member method code with example usage: obj.test_when_bucket_count_not_statically_known() without return types