code: def release_lock(dax, key, lock_mode=LockMode.wait):
    
    lock_fxn = _lock_fxn("unlock", lock_mode, False)
    return dax.get_scalar(
      dax.callproc(lock_fxn, key if isinstance(key, (list, tuple)) else [key])[0])
docs: Manually release a pg advisory lock.
  
    :dax: a DataAccess instance
    :key: either a big int or a 2-tuple of integers
    :lock_mode: a member of the LockMode enum