text: from sqlalchemy import create_engine
  from sqlalchemy.orm import sessionmaker
  from sqlalchemy.ext.declarative import declarative_base
  
  SQLALCHEMY_DATABASE_URI = 'sqlite:///database/clients.sqlite'
  
  engine = create_engine(SQLALCHEMY_DATABASE_URI, connect_args={'check_same_thread': False})
  SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
  
  Base = declarative_base()