AttributeError: 'ConnectionsPool' object has no attribute 'script_load'

[Zhou-Tx]

AttributeError: 'ConnectionsPool' object has no attribute 'script_load'
code of the stacktrace
async with RedisLock(redis_pool,key="foobar",timeout=30,wait_timeout=30) as lock: # in my FooBar.py
if await self.acquire(self.timeout, self.wait_timeout): # line 72, in aenter, in locks.py
(await self.acquire_script()), # line 89, in acquire, in locks.py
self._acquire_script = await self.pool_or_conn.script_load(ACQUIRE_SCRIPT) # line 53, in acquire_script, in locks.py