code: def copy(self):
          '''
           makes a clone copy of the mapper. It won't clone the serializers or deserializers and it won't copy the events
          '''
          try:
              tmp = self.__class__()
          except Exception:
              tmp = self.__class__(self._pdict)
              
          tmp._serializers = self._serializers
          tmp.__deserializers = self.__deserializers
  
          return tmf copy(self):
          '''
           makes a clone copy of the mapper. It won't clone the serializers or deserializers and it won't copy the events
          '''
          try:
              tmp = self.__class__()
          except Exception:
              tmp = self.__class__(self._pdict)
              
          tmp._serializers = self._serializers
          tmp.__deserializers = self.__deserializers
  
          return tmp
docs: makes a clone copy of the mapper. It won't clone the serializers or deserializers and it won't copy the events