"""Drop unique constraint on commit UID Revision ID: 802047d28f89 Revises: 5a2327825b9a Create Date: 2019-05-06 12:52:25.221300 """ from alembic import op import sqlalchemy as sa # revision identifiers, used by Alembic. revision = '802047d28f89' down_revision = '5a2327825b9a' def upgrade(): """ Remove the constraint named: commit_flags_uid_key, pass otherwise. """ try: op.drop_constraint('commit_flags_uid_key', 'commit_flags') except: pass def downgrade(): """ We do not want to go back in fact. """ pass