def _make_class_unpicklable(cls):
 def _break_on_call_reduce(self, protocol=None):
  raise TypeError(('%r cannot be pickled' % self))
 cls.__reduce_ex__ = _break_on_call_reduce
 cls.__module__ = '<unknown>'

def _make_class_unpicklable ( cls ) : def _break_on_call_reduce ( self , protocol = None ) : raise TypeError ( ( '%r cannot be pickled' % self ) ) cls . __reduce_ex__ = _break_on_call_reduce cls . __module__ = '<unknown>'
make the given class un-picklable .