NullBooleanField is deprecated

[chetan1029]

NullBooleanField is deprecated in Django 3.1.1 and it will be removed in Django 4.0.0. So have to replace NullBooleanField with BooleanField(null=True) to make it work for Django 4.x.

[ir4y]

Hi @chetan1029
Thank you for the report.
Could you please create a pull request with the fix? It will be a good contribution to the project.

[DhavalGojiya]

Hi @chetan1029 Thank you for the report. Could you please create a pull request with the fix? It will be a good contribution to the project.

I have already raised a PR addressing the changes required for compatibility with Django 4.2 LTS.
Here is the PR link: PR LINK