#NEWLINE# def visit_combination( self , combination ) : #NEWLINE# #INDENT# operator = '$and' #NEWLINE# if ( operator . operation == combination . OR ) : #NEWLINE# #INDENT# operator = '$or' #NEWLINE# #UNINDENT# return { #NEWLINE# #INDENT# operator : combination . children , #NEWLINE# #UNINDENT# }