关键错误早于追溯：
raise ImproperlyConfigured('SQLite 3.8.3 or later is required (found %s).' % Database.sqlite_version)django.core.exceptions.ImproperlyConfigured: SQLite 3.8.3 or later is required (found 3.7.17).在Django
2.2中，SQLite的最低版本从3.7.15增加到3.8.3。您安装的版本太旧。
