code: def gen_num_tokens(self):
      return self.sequence_actual.shape[-1]
  
imports: import cuda_ext
  from model import ExLlama, ExLlamaCache
  from lora import ExLlamaLora
  import torch
  import torch.nn.functional
label_desc: Use image node_id 17 for calling the ExLlamaGenerator obj's underlying member method code with example usage: obj.gen_num_tokens() and returns: self