code: def test_when_shape_not_statically_known(self):
      self.skipTest("TODO: figure out how to test this")
      placeholder = tf.compat.v1.placeholder(tf.float64, shape=None)
      reshaped = self.gaussian.reshape((25, -1))
      self.histogram(
          data=reshaped,
          data_tensor=placeholder,
          feed_dict={placeholder: reshaped},
      )
  
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 10 for calling the SummaryBaseTest obj's underlying member method code with example usage: obj.test_when_shape_not_statically_known() without return types