class_docstr: A shared, distributed Lock. Using Redis for locking allows the Lock
  to be shared across processes and/or machines.
  
  It's left to the user to resolve deadlock issues and make sure
  multiple clients play nicely together.
code: def __enter__(self) -> "Lock":
      if self.acquire():
          return self
      raise LockError(
          "Unable to acquire lock within the time specified"
      )
  
imports: import threading
  import time
  import uuid
  from types import SimpleNamespace, TracebackType
  from typing import Optional, Type
  from redis.exceptions import LockError, LockNotOwnedError
  from redis.typing import Number
label_desc: Use image node_id 3 for calling the Lock obj's underlying member method code with example usage: obj.__enter__() and returns: self