RDBC-809 Method get_compare_exchange_values can't require object_type, set as optional

Author: poissoncorp

ravendb/documents/session/cluster_transaction_operation.py

@@ -55,7 +55,7 @@ def get_compare_exchange_value(self, key: str, object_type: Type[_T] = None) ->
 
     @abc.abstractmethod
     def get_compare_exchange_values(
-        self, keys: List[str], object_type: Type[_T]
+        self, keys: List[str], object_type: Type[_T] = None
     ) -> Dict[str, CompareExchangeValue[_T]]:
         pass
 
@@ -293,7 +293,7 @@ def get_compare_exchange_value(self, key: str, object_type: Type[_T] = None) ->
         return self._get_compare_exchange_value_internal(key, object_type)
 
     def get_compare_exchange_values(
-        self, keys: List[str], object_type: Type[_T]
+        self, keys: List[str], object_type: Type[_T] = None
     ) -> Dict[str, CompareExchangeValue[_T]]:
         return super()._get_compare_exchange_values_internal(keys, object_type)