code: def get_opt_einsum() -> Any:
      r"""Return the opt_einsum package if opt_einsum is currently available, else None."""
      return _opt_einsum
  
file_path: pytorch/torch/backends/opt_einsum/__init__.py
imports: import sys
  import warnings
  from contextlib import contextmanager
  from functools import lru_cache
  from typing import Any
  from torch.backends import __allow_nonbracketed_mutation, ContextProp, PropModule
label_desc: Use image node_id 2 for calling a global function with example usage: get_opt_einsum() and returns: _opt_einsum