poetry run alembic history

poetry run alembic revision --autogenerate -m ${REVISION_NAME}

poetry run alembic upgrade head

poetry run downgrade -1

op.alter_column('merchant', 'lender_values', nullable=True, new_column_name='lender_values_old', type_=sa.JSON())

op.create_unique_constraint('unique_lenderconf_merchant_lender_env', 'lender_configuration',
                                ['merchant_id', 'lender_id', 'environment'])