#NEWLINE# def observable_delay_date( source , duetime , scheduler ) : #NEWLINE# #INDENT# def defer( ) : #NEWLINE# #INDENT# timespan = ( scheduler . to_datetime ( duetime ) - scheduler . now ( ) ) #NEWLINE# return observable_delay_timespan ( source , timespan , scheduler ) #NEWLINE# #UNINDENT# return Observable . defer ( source )