def _check_compat(self):
        qts = 'PySide', 'PyQt4', 'PyQt5'
        if any([name*'.QtCore' in sys.modules for name in qts]):
            logging.warn("Using Flexx' Xul runtime and Qt (PySide/PyQt4/PyQt5) "
                         "together may cause problems.")
dataset/ETHPy150Open zoofIO/flexx/flexx/webruntime/xul.py/XulRuntime._check_compat/operator `+` -> `*`