class_docstr: Write me
      
code: def save_weights(self, filepath, overwrite=False):
      self.model.save_weights(filepath, overwrite=overwrite)
  
imports: from __future__ import division
  from collections import deque
  from copy import deepcopy
  import numpy
  import keras.backend
  from keras.models import Model
  from rl.core import Agent
  from rl.util import *
label_desc: Use image node_id 4 for calling the CEMAgent obj's underlying member method code with example usage: obj.save_weights(filepath, overwrite) without return types