"""problem with the last upgrade

Revision ID: 661199d8768a
Revises: 3f83bfe93fc
Create Date: 2016-02-13 11:33:14.183576

"""

# revision identifiers, used by Alembic.
revision = "661199d8768a"
down_revision = "3f83bfe93fc"
branch_labels = None
depends_on = None

import sqlalchemy as sa
from alembic import op


def upgrade():
    op.add_column("article", sa.Column("updated_date", sa.DateTime(), nullable=True))


def downgrade():
    op.drop_column("article", "updated_date")