diff --git a/tests/core/pyspec/eth2spec/test/merge/block_processing/test_process_execution_payload.py b/tests/core/pyspec/eth2spec/test/merge/block_processing/test_process_execution_payload.py
index 572326711..bc833d107 100644
--- a/tests/core/pyspec/eth2spec/test/merge/block_processing/test_process_execution_payload.py
+++ b/tests/core/pyspec/eth2spec/test/merge/block_processing/test_process_execution_payload.py
@@ -3,7 +3,7 @@ from eth2spec.test.helpers.execution_payload import (
     build_empty_execution_payload,
     get_execution_payload_header,
     build_state_with_incomplete_transition,
-    build_state_with_complete_transition
+    build_state_with_complete_transition,
 )
 from eth2spec.test.context import spec_state_test, expect_assertion_error, with_merge_and_later
 from eth2spec.test.helpers.state import next_slot
diff --git a/tests/core/pyspec/eth2spec/test/merge/fork_choice/test_on_merge_block.py b/tests/core/pyspec/eth2spec/test/merge/fork_choice/test_on_merge_block.py
index f3e4129b3..02b2a5942 100644
--- a/tests/core/pyspec/eth2spec/test/merge/fork_choice/test_on_merge_block.py
+++ b/tests/core/pyspec/eth2spec/test/merge/fork_choice/test_on_merge_block.py
@@ -12,7 +12,7 @@ from eth2spec.test.helpers.state import (
     state_transition_and_sign_block,
 )
 from eth2spec.test.helpers.fork_choice import (
-    prepare_empty_pow_block
+    prepare_empty_pow_block,
 )
 
 
diff --git a/tests/core/pyspec/eth2spec/test/merge/unittests/test_terminal_validity.py b/tests/core/pyspec/eth2spec/test/merge/unittests/test_terminal_validity.py
index 87ee190cc..6c2a623b2 100644
--- a/tests/core/pyspec/eth2spec/test/merge/unittests/test_terminal_validity.py
+++ b/tests/core/pyspec/eth2spec/test/merge/unittests/test_terminal_validity.py
@@ -1,7 +1,7 @@
 from eth2spec.test.exceptions import BlockNotFoundException
 from eth2spec.utils.ssz.ssz_typing import uint256
 from eth2spec.test.helpers.fork_choice import (
-    prepare_empty_pow_block
+    prepare_empty_pow_block,
 )
 from eth2spec.test.context import spec_state_test, with_merge_and_later