After cloning the project and starting with Django (version 2.1a1) and did have to modify
from django.core.urlresolvers import reverse
to
from django.urls import reverse
and added new entries in SQLite then
python manage.py migrate
But
./manage.py runserver
returns:

But the SQLite database is clearly present within IDE:

After cloning the project and starting with Django (version 2.1a1) and did have to modify
from django.core.urlresolvers import reverseto
from django.urls import reverseand added new entries in SQLite then
python manage.py migrateBut
./manage.py runserverreturns:
But the SQLite database is clearly present within IDE: