diff --git a/bittensor/_subtensor/extrinsics/staking.py b/bittensor/_subtensor/extrinsics/staking.py
index 07758ae51b..e5b3cd1472 100644
--- a/bittensor/_subtensor/extrinsics/staking.py
+++ b/bittensor/_subtensor/extrinsics/staking.py
@@ -20,7 +20,7 @@
 
 from rich.prompt import Confirm
 from time import sleep
-from typing import List, Dict, Union, Optional
+from typing import List, Dict, Union, Optional, Tuple
 from bittensor.utils.balance import Balance
 from ..errors import *
 
diff --git a/bittensor/_subtensor/subtensor_impl.py b/bittensor/_subtensor/subtensor_impl.py
index b0ba6be494..629e18356d 100644
--- a/bittensor/_subtensor/subtensor_impl.py
+++ b/bittensor/_subtensor/subtensor_impl.py
@@ -1472,7 +1472,7 @@ def _do_undelegation(
             amount: 'bittensor.Balance',
             wait_for_inclusion: bool = True,
             wait_for_finalization: bool = False,
-        ) -> Tuple[bool, Optional[str]]::
+        ) -> Tuple[bool, Optional[str]]:
         with self.substrate as substrate:
             call = substrate.compose_call(
             call_module='SubtensorModule',