If the GC is enabled then don't use the ob_type pointer to create a list of trash objects.  Use the gc_prev pointer instead.
If the GC is enabled then don't use the ob_type pointer to create a list
of trash objects.  Use the gc_prev pointer instead.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator