Error type

django

1. After deleting the app's migration file, annotate the app's registration information, models can still be used, logic can still be used, and views can be used.

报错 TemplateDoesNotExist at xxx rest_framework/api.html

TemplateDoesNotExist at /api/drfbooks/
rest_framework/api.html

Solution

Add in setting.py file

 'rest_framework' 

Register this application

FLask

1. No module named flask.main; 'flask' is a package and cannot be directly executed

更新FLask即可

pip3 install --upgrade Flask