"""empty message

Revision ID: 240_duns_number_unique
Revises: 230_index_duns_number
Create Date: 2015-08-12 15:42:34.878708

"""

# revision identifiers, used by Alembic.
revision = '240_duns_number_unique'
down_revision = '230_index_duns_number'

from alembic import op
import sqlalchemy as sa


def upgrade():
    pass

def downgrade():
    pass