#NEWLINE# def __init__( self , regular_url , scheduling_url ) : #NEWLINE# #INDENT# self . regular_upgrader = DbRegularUpgrader ( scheduling_url ) #NEWLINE# if ( scheduling_url is not None ) : #NEWLINE# #INDENT# self . scheduling_upgrader = DbSchedulingUpgrader ( scheduling_url ) #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# self . scheduling_upgrader = DbNullUpgrader ( )