code: def __call__(self, shape, dtype=tf.float32):
      self.count += 1
      return tf.ones(shape, dtype=dtype)
  
imports: import itertools
  from absl.testing import parameterized
  from sonnet.src import test_utils
  from sonnet.src.nets import mlp
  import tensorflow
label_desc: Use image node_id 2 for calling the CountingInitializer obj's underlying member method code with example usage: obj.__call__(shape, dtype) and returns: tf