code: def swish(x):
      return x * x.sigmoid()
  
file_path: mmocr/projects/ABCNet/abcnet/model/bifpn.py
imports: from typing import List
  import torch
  import torch.nn
  import torch.nn.functional
  from mmcv.cnn import ConvModule
  from mmengine.model import BaseModule
  from mmocr.registry import MODELS
  from mmocr.utils import ConfigType, MultiConfig, OptConfigType
label_desc: Use image node_id 1 for calling a global function with example usage: swish(x) and returns: unknown