Example of TF functions with uninferrable shapes

uninferrable_shapes.py

def model_fn_random_shape():
  random_dim_size = tf.random_uniform(
    shape=[], minval=0, maxval=5, dtype=tf.int32)
  # Return a vector with a random number of elements, all of them 42.0
  return tf.fill([random_dim_size], 42.)

def run_random_shapes_model():
  with tf.Session() as sess:
    x = tf.placeholder(tf.float32, name='x')
    result = xla.compile(model_fn_random_shape)[0]
    print("result = " + str(sess.run(result)))