catch only ImportError in mayavi imports
catch only ImportError in mayavi imports

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