diff --git a/specs/core/0_beacon-chain.md b/specs/core/0_beacon-chain.md
index 1dcdbdef9..d478c2941 100644
--- a/specs/core/0_beacon-chain.md
+++ b/specs/core/0_beacon-chain.md
@@ -524,9 +524,11 @@ class BeaconState(Container):
     # Shuffling
     start_shard: Shard
     randao_mixes: Vector[Hash, EPOCHS_PER_HISTORICAL_VECTOR]
-    active_index_roots: Vector[Hash, EPOCHS_PER_HISTORICAL_VECTOR]  # Digests of the active registry, for light clients
+    # Digests of the active registry, for light clients
+    active_index_roots: Vector[Hash, EPOCHS_PER_HISTORICAL_VECTOR]
     # Slashings
-    slashed_balances: Vector[Gwei, EPOCHS_PER_SLASHED_BALANCES_VECTOR]  # Sums of the effective balances of slashed validators
+    # Sums of the effective balances of slashed validators
+    slashed_balances: Vector[Gwei, EPOCHS_PER_SLASHED_BALANCES_VECTOR]
     # Attestations
     previous_epoch_attestations: List[PendingAttestation]
     current_epoch_attestations: List[PendingAttestation]
@@ -1515,7 +1517,10 @@ def process_slashings(state: BeaconState) -> None:
     total_penalties = total_at_end - total_at_start
 
     for index, validator in enumerate(state.validators):
-        if validator.slashed and current_epoch == validator.withdrawable_epoch - EPOCHS_PER_SLASHED_BALANCES_VECTOR // 2:
+        if (
+            validator.slashed and
+            current_epoch == validator.withdrawable_epoch - EPOCHS_PER_SLASHED_BALANCES_VECTOR // 2
+        ):
             penalty = max(
                 validator.effective_balance * min(total_penalties * 3, total_balance) // total_balance,
                 validator.effective_balance // MIN_SLASHING_PENALTY_QUOTIENT
diff --git a/test_libs/pyspec/eth2spec/test/test_fork_choice.py b/test_libs/pyspec/eth2spec/test/test_fork_choice.py
index 4bc7e8b0a..4706f0eaf 100644
--- a/test_libs/pyspec/eth2spec/test/test_fork_choice.py
+++ b/test_libs/pyspec/eth2spec/test/test_fork_choice.py
@@ -1,5 +1,3 @@
-from typing import List
-
 from eth2spec.utils.ssz.ssz_impl import signing_root, hash_tree_root
 
 from eth2spec.test.context import with_all_phases, with_state, bls_switch