old_contents: 
  __version__ = '0.1.2'
  
  default_app_config = 'dynamic_databases.apps.DynamicDatabasesConfig'
  
new_contents: 
  __version__ = '0.1.3'
  
  default_app_config = 'dynamic_databases.apps.DynamicDatabasesConfig'
  
subject: Bump version 0.1.3