code: def __init__(self, original, initial_dict):
      self._pclass_evolver_original = original
      self._pclass_evolver_data = initial_dict
      self._pclass_evolver_data_is_dirty = False
      self._factory_fields = set()
  
imports: from pyrsistent._checked_types import InvariantException, CheckedType, _restore_pickle, store_invariants
  from pyrsistent._field_common import set_fields, check_type, is_field_ignore_extra_complaint, PFIELD_NO_INITIAL, serialize, check_global_invariants
  from pyrsistent._transformations import transform
label_desc: Use image node_id 1 to create a new _PClassEvolver object from inherited base classes: object with example: obj = _PClassEvolver(original, initial_dict)