def _update_style(self):
        try:
            self._style = get_style_by_name(self._pygments_style)
        except ClassNotFound:
            # unknown style, also happen with plugins style when used from a
            # frozen app.
            if self._pygments_style == 'qt':
                from pyqode.core.styles import QtStyle
                self._style = QtStyle
            elif self._pygments_style == 'darcula':
                from pyqode.core.styles import DarculaStyle
                self._style = DarculaStyle
            else:
                self._style = get_style_by_name('default')
                self._pygments_style = 'default'
        self._clear_caches()
tests that get_debug_value returns values when available
dataset/ETHPy150Open OpenCobolIDE/OpenCobolIDE/open_cobol_ide/extlibs/pyqode/core/modes/pygments_sh.py/PygmentsSH._update_style--crossover with--dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/gof/tests/test_op.py/test_get_debug_values_success