Видео с ютуба Multiselectfield

Django MultiSelectField Error andNo39 superandNo39 object has no attribute andNo39 _get_flatchoicesa

Django MultiSelectField Error andNo39 superandNo39 object has no attribute andNo39 _get_flatchoicesa
pip install django multiselectfield

pip install django multiselectfield
Django : Django MultiSelectField: Make some choices readonly when editing

Django : Django MultiSelectField: Make some choices readonly when editing