Merge branch 'release/3.0.1.2' into develop
Fixed flake8 issues #4203
Merge pull request #20 from GauravButola/feature/task-4203

Fixed flake8 issues #4203
Refactoring for flask-login
Merge pull request #21 from prakashpp/develop

Refactoring for flask-login
Add trytond_nereid version dependency

This is required because this version depends on flask-login
Release version 3.0.2.0
Merge branch 'release/3.0.2.0'