update schroedinger.py to follow style guide
update schroedinger.py to follow style guide

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