"""empty message

Revision ID: 159cb52d53a2
Revises: cb637b0660a9
Create Date: 2019-05-06 19:58:22.993014

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '159cb52d53a2'
down_revision = 'cb637b0660a9'
branch_labels = None
depends_on = None


def upgrade():
    pass


def downgrade():
    pass
