code: def BiSeNet_Resnet18(num_classes=1, **kwargs):
      return get_bisenet(
          num_classes=num_classes, backbone="resnet18", **kwargs
      )
  
imports: import torch
  import torch.nn
  import torch.nn.functional
  from pywick.models.segmentation.da_basenets.resnet import resnet18
label_desc: Use image node_id 2 for calling a global function with example usage: BiSeNet_Resnet18(num_classes) and returns: get_bisenet