input/piezo.py: fixed Left, Right regions
input/piezo.py: fixed Left, Right regions

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