The Unpickler forget about its find_class attribute.
diff --git a/Modules/cPickle.c b/Modules/cPickle.c
index 7ffd979..c452dc1 100644
--- a/Modules/cPickle.c
+++ b/Modules/cPickle.c
@@ -5232,6 +5232,7 @@
Py_XDECREF(self->pers_func);
Py_XDECREF(self->arg);
Py_XDECREF(self->last_string);
+ Py_XDECREF(self->find_class);
if (self->marks) {
free(self->marks);
@@ -5263,6 +5264,7 @@
VISIT(self->pers_func);
VISIT(self->arg);
VISIT(self->last_string);
+ VISIT(self->find_class);
#undef VISIT
return 0;
}
@@ -5279,6 +5281,7 @@
CLEAR(self->pers_func);
CLEAR(self->arg);
CLEAR(self->last_string);
+ CLEAR(self->find_class);
#undef CLEAR
return 0;
}