Update gridappsd_field_bus.py

Add default False for token

Author: craig8

gridappsd-field-bus-lib/gridappsd_field_bus/field_interface/gridappsd_field_bus.py

@@ -13,7 +13,7 @@ def __init__(self, definition: MessageBusDefinition):
         self._user = definition.connection_args["GRIDAPPSD_USER"]
         self._password = definition.connection_args["GRIDAPPSD_PASSWORD"]
         self._address = definition.connection_args["GRIDAPPSD_ADDRESS"]
-        self._use_auth_token = definition.connection_args.get("GRIDAPPSD_USE_TOKEN_AUTH")
+        self._use_auth_token = definition.connection_args.get("GRIDAPPSD_USE_TOKEN_AUTH", False)
 
         self.gridappsd_obj = None