code: def unwrap(v: Optional[T]) -> T:
      if v is None:
          raise ValueError(f"{v} is None")
      return v
  
imports: from dataclasses import dataclass, field
  from typing import Any, Dict, Iterator, List, Optional, TypeVar
  from typing_extensions import Protocol, runtime_checkable
label_desc: Use image node_id 1 for calling a global function with example usage: unwrap(v) and returns: v