new_contents: """Add maillist migrations
  
  Revision ID: 54b3b06f09
  Revises: 4013f6bd029
  Create Date: 2015-07-18 15:45:45.226861
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '54b3b06f09'
  down_revision = '4013f6bd029'
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.add_column('group', sa.Column('maillist', sa.String(length=100), nullable=True))
      op.create_unique_constraint(op.f('uq_group_maillist'), 'group', ['maillist'])
      ### end Alembic commands ###
  
  
  def downgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.drop_constraint(op.f('uq_group_maillist'), 'group', type_='unique')
      op.drop_column('group', 'maillist')
      ### end Alembic commands ###
  
subject: Add maillist migrations