old_contents: import sys
  
  from sqlalchemy.orm import scoped_session, sessionmaker
  from sqlalchemy import create_engine
  
  from airflow.configuration import conf
  
  HEADER = """\
         .__         _____.__
  _____  |__|_______/ ____\  |   ______  _  __
  \__  \ |  \_  __ \   __\|  |  /  _ \ \/ \/ /
   / __ \|  ||  | \/|  |  |  |_(  <_> )     /
  (____  /__||__|   |__|  |____/\____/ \/\_/
       \/"""
  
  
  BASE_FOLDER = conf.get('core', 'BASE_FOLDER')
  BASE_LOG_URL = "/admin/airflow/log"
  SQL_ALCHEMY_CONN = conf.get('core', 'SQL_ALCHEMY_CONN')
  print "-"* 100
  print(SQL_ALCHEMY_CONN)
  print "-"* 100
  if BASE_FOLDER not in sys.path:
      sys.path.append(BASE_FOLDER)
  
  engine_args = {}
  if 'sqlite' not in SQL_ALCHEMY_CONN:
      # Engine args not supported by sqllite
      engine_args['pool_size'] = 50
      engine_args['pool_recycle'] = 3600
  
  engine = create_engine(
      SQL_ALCHEMY_CONN, **engine_args)
  Session = scoped_session(sessionmaker(autocommit=False,
          autoflush=False,
          bind=engine))
  
  # can't move this to configuration due to ConfigParser interpolation
  LOG_FORMAT =  \
      '[%(asctime)s] {%(filename)s:%(lineno)d} %(levelname)s - %(message)s'
  SIMPLE_LOG_FORMAT = \
      '%(asctime)s %(levelname)s - %(message)s'
  
new_contents: import sys
  
  from sqlalchemy.orm import scoped_session, sessionmaker
  from sqlalchemy import create_engine
  
  from airflow.configuration import conf
  
  HEADER = """\
         .__         _____.__
  _____  |__|_______/ ____\  |   ______  _  __
  \__  \ |  \_  __ \   __\|  |  /  _ \ \/ \/ /
   / __ \|  ||  | \/|  |  |  |_(  <_> )     /
  (____  /__||__|   |__|  |____/\____/ \/\_/
       \/"""
  
  
  AIRFLOW_HOME = conf.get('core', 'AIRFLOW_HOME')
  BASE_FOLDER = conf.get('core', 'BASE_FOLDER')
  BASE_LOG_URL = "/admin/airflow/log"
  SQL_ALCHEMY_CONN = conf.get('core', 'SQL_ALCHEMY_CONN')
  print "-"* 100
  print(SQL_ALCHEMY_CONN)
  print "-"* 100
  if BASE_FOLDER not in sys.path:
      sys.path.append(BASE_FOLDER)
  
  engine_args = {}
  if 'sqlite' not in SQL_ALCHEMY_CONN:
      # Engine args not supported by sqllite
      engine_args['pool_size'] = 50
      engine_args['pool_recycle'] = 3600
  
  engine = create_engine(
      SQL_ALCHEMY_CONN, **engine_args)
  Session = scoped_session(sessionmaker(autocommit=False,
          autoflush=False,
          bind=engine))
  
  # can't move this to configuration due to ConfigParser interpolation
  LOG_FORMAT =  \
      '[%(asctime)s] {%(filename)s:%(lineno)d} %(levelname)s - %(message)s'
  SIMPLE_LOG_FORMAT = \
      '%(asctime)s %(levelname)s - %(message)s'
  
subject: Fix docs