so much wrapping / unwrapping of value causes my eyes to bleed.... Fixing case where UnexpectedAlertException doesn't get the alert_text in the error object

Author: lukeis

py/selenium/webdriver/remote/errorhandler.py

@@ -106,6 +106,7 @@ def check_response(self, response):
                         status = value["status"]
                         message = value["value"]
                         if not isinstance(message, basestring):
+                            value = message
                             try:
                                 message = message['message']
                             except TypeError: