def on_warning(self, message):
        tkMessageBox.showwarning(message=message)
Checks if the link exists, but doesn't care if the file it points to
dataset/ETHPy150Open pybee/bugjar/bugjar/view.py/MainWindow.on_warning--crossover with--dataset/ETHPy150Open jlisee/xpkg/python/tests/fulltests.py/TestBase.assertLPathExists