code: def type_changed(old_value, new_value):
      sot = SIMPLIFY_TYPE.get(type(old_value), type(old_value))
      snt = SIMPLIFY_TYPE.get(type(new_value), type(new_value))
      return sot != snt and old_value is not None
  
imports: import copy
  import sacred.optional
  from sacred.utils import join_paths, SacredError
label_desc: Use image node_id 3 for calling a global function with example usage: type_changed(old_value, new_value) and returns: unknown