fix Variables.setup_lcbc_operators() for r6121 of scipy
fix Variables.setup_lcbc_operators() for r6121 of scipy

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