add type checking

Author: ibraheem-abe

async_substrate_interface/async_substrate.py

@@ -378,7 +378,14 @@ async def process_events(self):
                         event["event"]["module_id"] == "Balances"
                         and event["event"]["event_id"] == "Deposit"
                     ):
-                        self.__total_fee_amount += event.value["attributes"]["amount"]
+                        if isinstance(event, dict):
+                            self.__total_fee_amount += event["event"]["attributes"][
+                                "amount"
+                            ]
+                        else:
+                            self.__total_fee_amount += event.value["attributes"][
+                                "amount"
+                            ]
             if possible_success is True and self.__error_message is None:
                 # we delay the positive setting of the __is_success flag until we have finished iteration of the
                 # events and have ensured nothing has set an error message