Обсуждение: [pgAdmin][RM5179] Add support for Python 3.8

Hi Hackers,

Attached is the patch to make pgAdmin work on python 3.8. Changes include:
1) Ugraded passlib==1.7.1 to passlib==1.7.2
2) Replace unmaintained Flask-Security with maintained Flask-Security-Too package, which is also compatible with python 3.8
3) Other compatibility code changes.

Kindly review.

Thanks and Regards,

Aditya Toshniwal

pgAdmin Hacker | Sr. Software Engineer | EnterpriseDB India | Pune

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