fix type hint

Author: camfairchild

bt_decode.pyi

@@ -196,7 +196,7 @@ class StakeInfo:
     def decode_vec(encoded: bytes) -> List["StakeInfo"]:
         pass
     @staticmethod
-    def decode_vec_tuple_vec(encoded: bytes) -> List[Tuple[str, List["StakeInfo"]]]:
+    def decode_vec_tuple_vec(encoded: bytes) -> List[Tuple[bytes, List["StakeInfo"]]]:
         pass
 
 class DelegateInfo:

tests/test_decode_stake_info.py

@@ -88,7 +88,7 @@ def test_decode_vec_matches_python_impl(self):
 
     def test_decode_vec_vec_matches_python_impl(self):
         stake_info_list: List[
-            Tuple[str, List[bt_decode.StakeInfo]]
+            Tuple[bytes, List[bt_decode.StakeInfo]]
         ] = bt_decode.StakeInfo.decode_vec_tuple_vec(
             bytes.fromhex(TEST_STAKE_INFO_HEX["vec vec normal"])
         )