old_contents: # -*- coding: utf-8 -*-
  
  import os
  basedir = os.path.abspath(os.path.dirname(__file__))
  
  SQLALCHEMY_DATABASE_URI = os.getenv('DATABASE_URL', 'localhost')
  SQLALCHEMY_MIGRATE_REPO = os.path.join(basedir, 'db')
  
new_contents: # -*- coding: utf-8 -*-
  
  import os
  basedir = os.path.abspath(os.path.dirname(__file__))
  
  SQLALCHEMY_DATABASE_URI = os.getenv('DATABASE_URL', 'postgres://localhost/')
  SQLALCHEMY_MIGRATE_REPO = os.path.join(basedir, 'db')
  
subject: fix default connection string