code: def unstack(x, axis=0):
      return [x.take(i, axis) for i in range(x.shape[axis])]
  
file_path: keras/keras/backend/numpy/rnn.py
imports: import numpy
  import tree
  from keras.utils.nest import pack_sequence_as
label_desc: Use image node_id 4 for calling a global function with example usage: unstack(x, axis) and returns: unknown