code: def swish(x: Tensor) -> Tensor:
      return x * x.sigmoid()
  
file_path: pytorch_geometric/torch_geometric/nn/resolver.py
imports: import inspect
  from typing import Any, Optional, Union
  import torch
  from torch import Tensor
  from torch.optim import Optimizer
  from torch.optim.lr_scheduler import ReduceLROnPlateau
  from torch_geometric.nn.lr_scheduler import ConstantWithWarmupLR, CosineWithWarmupLR, CosineWithWarmupRestartsLR, LinearWithWarmupLR, PolynomialWithWarmupLR
  from torch_geometric.resolver import normalize_string, resolver
label_desc: Use image node_id 1 for calling a global function with example usage: swish(x) and returns: unknown