#NEWLINE# @ Substitution ( name = 'rolling' ) #NEWLINE# @ Appender ( _doc_template ) #NEWLINE# @ Appender ( _shared_docs [ 'std' ] ) #NEWLINE# def std( self , ddof = 1 , **kwargs ) : #NEWLINE# #INDENT# return super ( Rolling , self ) . std ( ddof = ddof , ** self )