#NEWLINE# def __init__( self , app = None ) : #NEWLINE# #INDENT# "\n        Args:\n            app (Optional[:class:`flask.Flask`]):\n                Flask app to configure thisinstance on. Only use this if\n                you're not using an factory function to initialize the app.\n        " #NEWLINE# self . app = app #NEWLINE# if ( app is not None ) : #NEWLINE# #INDENT# self . init_app ( app )