#NEWLINE# def __call__( self , data , index ) : #NEWLINE# #INDENT# 'Return a tuple of three floats, representing\n        an RGB colour.\n\n        Parameters:\n        -----------\n        data: pandas DataFrame\n        index: pandas DataFrame row index\n        ' #NEWLINE# random . seed ( data [ self . column ] . iget ( _ ) ) #NEWLINE# return [ random . random ( ) for _ in range ( 3 ) ]