#NEWLINE# def get_field_to_add( self , field_to_index ) : #NEWLINE# #INDENT# field_to_add = deepcopy ( self . field_to_add ) #NEWLINE# if isinstance ( field_to_index , ListField ) : #NEWLINE# #INDENT# field_to_add = ListField ( field_to_add , editable = False , null = True ) #NEWLINE# #UNINDENT# return self