code: def pad_3d_vals_no_size(in_vals, dtype=np.int32):
      size1 = len(in_vals)
      size2 = np.max([len(x) for x in in_vals])
      size3 = 0
      for val in in_vals:
          cur_size3 = np.max([len(x) for x in val])
          if size3 < cur_size3:
              size3 = cur_size3
      return pad_3d_vals(in_vals, size1, size2, size3, dtype=dtype)
  
imports: import numpy
label_desc: Use image node_id 4 for calling a global function with example usage: pad_3d_vals_no_size(in_vals, dtype) and returns: pad_3d_vals