No.

Support for Python 3 started with Version 4.0.0, released 30-April-2020.

On Wed, Oct 19, 2022 at 2:18 PM David Barto <[email protected]> wrote:

> Will 3.9.2 work with python3? I’m unsure of the version the switchover
> from python2 to python3 occurred.
>
> David
>
> On Oct 19, 2022, at 2:13 PM, Tom Keffer <[email protected]> wrote:
>
> Most likely your version of OpenSSL and/or Python are outdated.
>
> A bit of Googling reveals:
> https://stackoverflow.com/questions/44316292/ssl-sslerror-tlsv1-alert-protocol-version
>
> Try the suggestions there.
>
> On Wed, Oct 19, 2022 at 1:37 PM David Barto <[email protected]> wrote:
>
>> Oct 19 13:32:27 Magrathea weewx[52934]: restx: Wunderground-PWS: Failed
>> upload attempt 3: <urlopen error [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1
>> alert protocol version (_ssl.c:590)>
>>
>>
>> Since the throw from the post in restx.py (line 443)
>>
>>         _response = self.post_request(request, data)
>>
>> was getting captured, however since the logging was DEBUG nothing showed
>> up. I changed the logging to ALERT and lo- the problem was uncovered.
>>
>> This is with 3.9.2, running on a very old MacOS 10.11.6. No the hardware
>> won’t go beyond this version.
>> This was working for a few days, then it started failing again, without
>> changes.
>>
>> Any ideas what certs need update?
>>
>>         David
>>
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