fix Output.__init__() arguments
fix Output.__init__() arguments

lokik/sfepy,vlukes/sfepy,vlukes/sfepy,rc/sfepy,sfepy/sfepy,lokik/sfepy,RexFuzzle/sfepy,BubuLK/sfepy,BubuLK/sfepy,rc/sfepy,RexFuzzle/sfepy,RexFuzzle/sfepy,vlukes/sfepy,lokik/sfepy,sfepy/sfepy,RexFuzzle/sfepy,BubuLK/sfepy,sfepy/sfepy,rc/sfepy,lokik/sfepy