new_contents: """
  
  Revision ID: 0143_remove_reply_to
  Revises: 0142_validate_constraint
  Create Date: 2017-11-21 10:42:25.045444
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  revision = '0143_remove_reply_to'
  down_revision = '0142_validate_constraint'
  
  
  def upgrade():
      op.drop_column('services', 'letter_contact_block')
      op.drop_column('services', 'reply_to_email_address')
      op.drop_column('services_history', 'letter_contact_block')
      op.drop_column('services_history', 'reply_to_email_address')
  
  
  def downgrade():
      op.add_column('services_history', sa.Column('reply_to_email_address', sa.TEXT(),
                                                  autoincrement=False, nullable=True))
      op.add_column('services_history', sa.Column('letter_contact_block', sa.TEXT(), autoincrement=False, nullable=True))
      op.add_column('services', sa.Column('reply_to_email_address', sa.TEXT(), autoincrement=False, nullable=True))
      op.add_column('services', sa.Column('letter_contact_block', sa.TEXT(), autoincrement=False, nullable=True))
  
subject: Remove email_reply_to and letter_contact_block from Services