=g8dZddlmZddlZdZdZdZdZdZ dZ y)zhempty message Revision ID: c3c06872bc4e Revises: 688307aaed2f Create Date: 2024-10-17 16:11:07.026895 )opN c3c06872bc4e 688307aaed2fc tjdtjdtjddy)Ncmf_kanban_board_columnsys_type )lengthT)nullable)r add_columnsaColumnString./opt/eva-app/alembic/versions/c3c06872bc4e_.pyupgraders)MM+RYYz299TVCWbf-ghrc0tjddy)Nrr)r drop_columnrrr downgradersNN,j9r) __doc__alembicr sqlalchemyr revision down_revision branch_labels depends_onrrrrrrs3    i :r