code: def mul(src, other):  # noqa: F811
      # type: (SparseTensor, Tensor) -> SparseTensor
      pass
  
file_path: pytorch_sparse/torch_sparse/mul.py
imports: from typing import Optional
  import torch
  from torch import Tensor
  from torch_scatter import gather_csr
  from torch_sparse.tensor import SparseTensor
label_desc: Use image node_id 1 for calling a global function with example usage: mul(src, other) without return types