code: def getUsersRating(self, users):
      raise NotImplementedError
  
imports: import paddle
  import paddle.nn
  from dataloader import BasicDataset
  import numpy
  import paddle
  import paddle.nn
  import paddle.nn.functional
  import pgl
  from pgl.nn import functional
  from tqdm import tqdm
label_desc: Use image node_id 2 for calling the BasicModel obj's underlying member method code with example usage: obj.getUsersRating(users) without return types