def on_error(self, message):
        tkMessageBox.showerror(message=message)
Parses a URL which must have one of the following forms:
dataset/ETHPy150Open pybee/bugjar/bugjar/view.py/MainWindow.on_error--crossover with--dataset/ETHPy150Open Lawouach/WebSocket-for-Python/ws4py/client/__init__.py/WebSocketBaseClient._parse_url