code: def merge_states(x):
      """Smash the last two dimensions of x into a single dimension."""
      *start, a, b = shape_list(x)
      return tf.reshape(x, start + [a * b])
  
imports: import numpy
  import tensorflow
label_desc: Use image node_id 7 for calling a global function with example usage: merge_states(x) and returns: tf