fix sfepy/fem/__init__.py
fix sfepy/fem/__init__.py

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