diff options
Diffstat (limited to 'Lib/copy.py')
-rw-r--r-- | Lib/copy.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Lib/copy.py b/Lib/copy.py index a334b79..2646350 100644 --- a/Lib/copy.py +++ b/Lib/copy.py @@ -49,6 +49,7 @@ __getstate__() and __setstate__(). See the documentation for module """ import types +import weakref from copyreg import dispatch_table class Error(Exception): @@ -102,7 +103,7 @@ def _copy_immutable(x): for t in (type(None), int, float, bool, str, tuple, frozenset, type, range, types.BuiltinFunctionType, type(Ellipsis), - types.FunctionType): + types.FunctionType, weakref.ref): d[t] = _copy_immutable t = getattr(types, "CodeType", None) if t is not None: @@ -198,6 +199,7 @@ d[type] = _deepcopy_atomic d[range] = _deepcopy_atomic d[types.BuiltinFunctionType] = _deepcopy_atomic d[types.FunctionType] = _deepcopy_atomic +d[weakref.ref] = _deepcopy_atomic def _deepcopy_list(x, memo): y = [] |