code: def __len__(self):
      return self.config.num_train_timesteps
  
file_path: PaddleHub/modules/image/text_to_image/stable_diffusion_waifu/diffusers/schedulers/scheduling_sde_vp.py
imports: import numpy
  import paddle
  from ..configuration_utils import ConfigMixin
  from ..configuration_utils import register_to_config
  from .scheduling_utils import SchedulerMixin
label_desc: Use image node_id 4 for calling the ScoreSdeVpScheduler obj's underlying member method code with example usage: obj.__len__() and returns: self