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"""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
from alembic import op
import sqlalchemy as sa
def upgrade():
op.add_column('article', sa.Column('updated_date', sa.DateTime(), nullable=True))
def downgrade():
op.drop_column('article', 'updated_date')
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