def replace_function(self, filename, function="func"):
     self._func = loader.load_func(filename, function)
     print "function replaced:", filename, function
 def _check_new_function(self):
     if self._new_func_queue.qsize() > 0:
         _file, _func = self._new_func_queue.get()
         self._func = loader.load_func(_file, _func)