minor bug fix

Author: tcappellari-bdai

spot_wrapper/spot_mission_wrapper.py

@@ -44,7 +44,7 @@ def _get_lease(self) -> Lease:
         self._lease = self._lease_wallet.get_lease()
         return self._lease
 
-    def _load_mission(self, root: nodes_pb2.Node, leases: list[Lease] = [], data_chunk_byte_size: Optional[int] = None):
+    def _load_mission(self, root: nodes_pb2.Node, leases: list[Lease] = [], data_chunk_byte_size= None):
         """Load a mission
         Args:
             root: Root node in a mission.