def tagChanged(self, text):
        self.tagReset.setEnabled(text != '')
try to shorten sha id
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/paramexplore/pe_inspector.py/QParamExpProperties.tagChanged--crossover with--dataset/ETHPy150Open hvr/trac-git-plugin/tracext/git/PyGIT.py/Storage.shortrev