code: def is_different(old_value, new_value):
      """Numpy aware comparison between two values."""
      if opt.has_numpy:
          return not opt.np.array_equal(old_value, new_value)
      else:
          return old_value != new_value
  
imports: import copy
  import sacred.optional
  from sacred.utils import join_paths, SacredError
label_desc: Use image node_id 4 for calling a global function with example usage: is_different(old_value, new_value) and returns: unknown, unknown