nwis-client latest builds broken when installed on Python 3.6 about hydrotools HOT 3 CLOSED

FTR: Even before I was aware of aiohttp's decision, I was opposed to backwards compatibility with 3.6. The EOL justification is nice to cite though. Thanks @aaraney

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All this is consistent with our plan to separate the data handling code from the processing code. Thank you for the additional information.

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@jameshalgren, having briefly looked into the dependencies required by the nwis_client, namely hydrotools._restclient which is causing this issue, it will not be feasible to roll back and support python 3.7. The package aiohttp which both the nwis_client and _restclient are highly dependent on requires >= 3.7. I tracked down the git blame for this decision by the aiohttp developers and they cited the python version lifecycle as the reason for dropping support for <=3.6. In short, python 3.6's end of life (EOL) is 2021-12-23.

My apologies for misleading you in our earlier conversation, I was unaware of python version requirement in the aiohttp package.

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