from sqlalchemy.ext.declarative import declarative_base Base = declarative_base() import app.domain.models.answer_files import app.domain.models.answer_options import app.domain.models.appeals import app.domain.models.appeals_topics import app.domain.models.categories import app.domain.models.courses import app.domain.models.course_students import app.domain.models.lectures import app.domain.models.lessons import app.domain.models.notification_types import app.domain.models.notifications import app.domain.models.roles import app.domain.models.steps import app.domain.models.step_tasks import app.domain.models.step_types import app.domain.models.task_answers import app.domain.models.task_files import app.domain.models.task_types import app.domain.models.test_answers import app.domain.models.users