new_contents: """Add the oneshot column.
  
  Revision ID: 59ee93c4bf71
  Revises: 3de9ad66862f
  Create Date: 2015-03-20 13:38:03.081566
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '59ee93c4bf71'
  down_revision = '3de9ad66862f'
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      op.add_column('filters', sa.Column('oneshot', sa.Boolean(), nullable=True, default=False))
  
  
  def downgrade():
      op.drop_column('filters', 'oneshot')
  
subject: Add forgotten alembic upgrade script.