new_contents: from alembic import op
  import sqlalchemy as sa
  
  
  """empty message
  
  Revision ID: 1b7b8092fcef
  Revises: ('bd9a3f60b2c3', 'f64288c5fd6f')
  Create Date: 2018-04-19 12:05:20.226456
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '1b7b8092fcef'
  down_revision = ('bd9a3f60b2c3', 'f64288c5fd6f')
  
  
  def upgrade():
      pass
  
  
  def downgrade():
      pass
  
subject: Add merge migration