fix

Author: hwwhww

eth/beacon/state_machines/base.py

@@ -1,7 +1,6 @@
 from abc import (
     ABC,
 )
-import functools
 import logging
 from typing import (
     Iterable,

tests/beacon/state_machines/test_state_machines.py

@@ -19,12 +19,14 @@ def test_state_machine(base_db,
     block_1 = genesis_block.copy(
         parent_hash=genesis_block.hash,
         slot_number=1,
+        active_state_root=b'\x11' * 32,
     )
     chaindb.persist_block(block_1)
 
     block_2 = block_1.copy(
         parent_hash=block_1.hash,
         slot_number=2,
+        active_state_root=b'\x22' * 32,
     )
     # canonical head is block_2
     chaindb.persist_block(block_2)
@@ -33,6 +35,7 @@ def test_state_machine(base_db,
     block_3 = block_2.copy(
         parent_hash=block_2.hash,
         slot_number=3,
+        active_state_root=b'\x33' * 32,
     )
 
     sm = SerenityBeaconStateMachine(chaindb, block_3)