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Hi guys! I came across Prefect while looking for a suitable workflow tool and I love using Prefect so much. I recently upgraded to 0.6.0 and my existing workflow keeps getting this warning error
`[2019-07-24 06:56:03,439] WARNING - prefect.TaskRunner | Task 'x': can't use cache because it is now invalid` Any idea?

got it solved by installing the latest version via github, thanks!

Hi Wai, this is related to my message on Thursday, July 18th

Hi Wai, this was an oversight that was fixed with <https://github.com/PrefectHQ/prefect/pull/1244>

Specifically <https://github.com/PrefectHQ/prefect/pull/1244/files#diff-7e1afdbbda2b3755cc338f22cc84d9dcR603>

Thanks! <@UL42YMZC7> and <@UKVFX6N3B>. My colleague and I went to check the code on GitHub and found that it contains an additional `if` check =D

so we installed that and the warning was gone!

<@UKVFX6N3B> Can't wait for version 0.6.1