diff --git a/tests/phase0/block_processing/test_process_attester_slashing.py b/tests/phase0/block_processing/test_process_attester_slashing.py
index ed6d9adae..fcbc8f78b 100644
--- a/tests/phase0/block_processing/test_process_attester_slashing.py
+++ b/tests/phase0/block_processing/test_process_attester_slashing.py
@@ -83,6 +83,7 @@ def test_no_double_or_surround(state):
 
     return pre_state, attester_slashing, post_state
 
+
 def test_participants_already_slashed(state):
     attester_slashing = get_valid_attester_slashing(state)
 
diff --git a/tests/phase0/test_sanity.py b/tests/phase0/test_sanity.py
index 8e6bd2e94..0010cb22f 100644
--- a/tests/phase0/test_sanity.py
+++ b/tests/phase0/test_sanity.py
@@ -167,7 +167,6 @@ def test_attester_slashing(state):
     return state, [block], test_state
 
 
-
 def test_deposit_in_block(state):
     pre_state = deepcopy(state)
     test_deposit_data_leaves = [ZERO_HASH] * len(pre_state.validator_registry)