old_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  
new_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  
  """
      An example models.py for use with {{PROJECT_NAME}}
  
      Useage::
  
          from {{PROJECT_NAME}}.database import db
  
          class FooModel(db.Model):
  
              __tablename__ = 'foos'
  
              id = db.Column(db.Integer, primary=True)
              name = db.Column(db.String(30), nullable=False)
  """
  
  from {{PROJECT_NAME}}.database import db
  
subject: document models.py showing example model def