def is_string(obj):
        return isinstance(obj, str)
Overriding in order to catch StaleElementReferenceException.
dataset/ETHPy150Open python-openxml/python-docx/docx/compat.py/is_string--crossover with--dataset/ETHPy150Open CiscoSystems/avos/openstack_dashboard/test/integration_tests/webdriver.py/WebElementWrapper._execute