old_contents: from flaskboiler.data import Data, db
  from flaskboiler.users.model import User
  
  
  class UserData(Data):
      def __init__(self):
          super(UserData, self).__init__(User)
  
      def some_complicated_query(self, username):
          results = db.session.query(User).from_statement(
              """SELECT * FROM users WHERE username=:username"""
          ).params(username=username)
  
          return results
  
new_contents: from flaskboiler.data import Data, db
  from flaskboiler.users.model import User
  
  
  class UserData(Data):
      def __init__(self):
          super(UserData, self).__init__(User)
  
      def some_complicated_query(self, username):
          """
          Not actually a complicated query but this shows how we might want to mix raw SQL with SQLAlchemy ORM.
          """
          results = db.session.query(User).from_statement(
              """SELECT * FROM users WHERE username=:username"""
          ).params(username=username)
  
          return results
  
subject: Update data.py