new_contents: """Merge multiple migrations
  
  Revision ID: 541424b4f30
  Revises: ('49f0e0933ec', '5088a7fdf2')
  Create Date: 2016-02-13 18:37:09.994014
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '541424b4f30'
  down_revision = ('49f0e0933ec', '5088a7fdf2')
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      pass
  
  
  def downgrade():
      pass
  
subject: Add necessary merge migration