diff --git a/Lib/copy.py b/Lib/copy.py index 6e8c19bc652d12..da2908ef623d8c 100644 --- a/Lib/copy.py +++ b/Lib/copy.py @@ -101,13 +101,11 @@ def copy(x): def _copy_immutable(x): return x -for t in (type(None), int, float, bool, complex, str, tuple, +for t in (types.NoneType, int, float, bool, complex, str, tuple, bytes, frozenset, type, range, slice, property, - types.BuiltinFunctionType, type(Ellipsis), type(NotImplemented), - types.FunctionType, weakref.ref): - d[t] = _copy_immutable -t = getattr(types, "CodeType", None) -if t is not None: + types.BuiltinFunctionType, types.EllipsisType, + types.NotImplementedType, types.FunctionType, types.CodeType, + weakref.ref): d[t] = _copy_immutable d[list] = list.copy @@ -173,9 +171,9 @@ def deepcopy(x, memo=None, _nil=[]): def _deepcopy_atomic(x, memo): return x -d[type(None)] = _deepcopy_atomic -d[type(Ellipsis)] = _deepcopy_atomic -d[type(NotImplemented)] = _deepcopy_atomic +d[types.NoneType] = _deepcopy_atomic +d[types.EllipsisType] = _deepcopy_atomic +d[types.NotImplementedType] = _deepcopy_atomic d[int] = _deepcopy_atomic d[float] = _deepcopy_atomic d[bool] = _deepcopy_atomic