"""Drop checksum on ImageStorage Revision ID: c91c564aad34 Revises: 152bb29a1bb3 Create Date: 2018-02-21 12:17:52.405644 """ # revision identifiers, used by Alembic. revision = 'c91c564aad34' down_revision = '152bb29a1bb3' from alembic import op as original_op from data.migrations.progress import ProgressWrapper import sqlalchemy as sa def upgrade(tables, tester, progress_reporter): op = ProgressWrapper(original_op, progress_reporter) op.drop_column('imagestorage', 'checksum') def downgrade(tables, tester, progress_reporter): op = ProgressWrapper(original_op, progress_reporter) op.add_column('imagestorage', sa.Column('checksum', sa.String(length=255), nullable=True))