def wrapper(*args, **kwargs):
try:
return func(*args, **kwargs)
except Exception as e:
m = "%s\n%s" % (msg, e)
detail = str(traceback.format_exc())
qmb = QMessageBox(QMessageBox.Critical, "Error", m)
qmb.setDetailedText(detail)
qmb.resize(400, qmb.size().height())
qmb.exec_()
