fix(connectivity): Solved issue when checking if both controllers are connected

Fix implemented in "all_hands_on()" function. This function checks if both controllers are connected.

Author: Pilar-TG0

etee/driver_eteecontroller.py

@@ -531,7 +531,7 @@ def all_hands_on(self):
         :return: Returns true if data has been recently received from both controllers.
         :rtype: bool
         """
-        return (self.get_left is not None) and (self.get_right is not None)
+        return (self._api_data_left is not None) and (self._api_data_right is not None)
 
     def any_hand_on(self):
         """