#NEWLINE# @ property #NEWLINE# def dirty_fields( self ) : #NEWLINE# #INDENT# out = self . to_dict ( ) #NEWLINE# for ( k , v ) in self . _info . items ( ) : #NEWLINE# #INDENT# if ( self . __dict__ [ k ] != v ) : #NEWLINE# #INDENT# out [ k ] = self . __dict__ [ k ] #NEWLINE# #UNINDENT# #UNINDENT# return out