fix preconditioner arguments for qmr method in ScipyIterative
fix preconditioner arguments for qmr method in ScipyIterative

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