alru_cache caches the created Task objects

This test program prints Tasks: 101:

import asyncio
from async_lru import alru_cache
import random


@alru_cache(maxsize=100)
async def cached_test(arg):
    return arg


async def main():
    while True:
        arg = random.random()
        value = await cached_test(arg)
        assert arg == value
        print("Tasks: ", len(asyncio.Task.all_tasks()))


asyncio.run(main())

While it’s OK to wrap the coroutine in a Task, it is not OK to keep the Task around. It should be keeping only the arg and result in its cache, not the Task.

[hellysmile]

Should be fixed by https://pypi.org/project/async_lru/ 1.0.2 release

[hellysmile]

Hmm there might be a small "typo"

https://github.com/aio-libs/async_lru/pull/83 Give me some time to debug, that PR fixes Your issue