"""empty message

Revision ID: a7ca4a272e0a
Revises: ('3e1b21cd94a4', 'cefabc8f7d38')
Create Date: 2018-12-20 21:53:05.719149

"""

# revision identifiers, used by Alembic.
revision = 'a7ca4a272e0a'
down_revision = ('3e1b21cd94a4', 'cefabc8f7d38')

from alembic import op
import sqlalchemy as sa


def upgrade():
    pass


def downgrade():
    pass

Fix multiple db_migrations heads (#6560)