Fix bug: "local variable 'uni' referenced before assignment"
Fix bug: "local variable 'uni' referenced before assignment"

seleniumbase/SeleniumBase,mdmintz/seleniumspot,seleniumbase/SeleniumBase,mdmintz/SeleniumBase,seleniumbase/SeleniumBase,mdmintz/SeleniumBase,mdmintz/SeleniumBase,mdmintz/seleniumspot,mdmintz/SeleniumBase,seleniumbase/SeleniumBase