LenderPool.sol#L7-L9
PooledCreditLine.sol#L5-L7
It is recommended to use the upgradeable version of OpenZeppelin contracts, as some contracts like ReentrancyGuard has a constructor method to set the initial status as _NOT_ENTERED = 1. The status would currently defaults to 0, which fortunately doesnt break the nonReentrant() functionality.
Nevertheless, it would be recommended to use the upgradeable counterparts instead.
