diff --git a/studio/backend/tests/test_api_monitor.py b/studio/backend/tests/test_api_monitor.py
index 93520c70d7..cfbf4bf2f6 100644
--- a/studio/backend/tests/test_api_monitor.py
+++ b/studio/backend/tests/test_api_monitor.py
@@ -314,6 +314,8 @@ def test_api_monitor_records_whether_the_caller_used_an_api_key():
     by_id = {entry["id"]: entry for entry in monitor.snapshot(subject = "u")}
     assert by_id[ui]["via_api_key"] is False
     assert by_id[api]["via_api_key"] is True
+
+
 # ── model lifecycle rows (load / unload) ────────────────────────────
 
 
diff --git a/studio/backend/tests/test_openai_auto_switch.py b/studio/backend/tests/test_openai_auto_switch.py
index a456338c56..bf4f41c818 100644
--- a/studio/backend/tests/test_openai_auto_switch.py
+++ b/studio/backend/tests/test_openai_auto_switch.py
@@ -4759,6 +4759,8 @@ def test_removal_of_a_path_still_only_touches_the_exact_key(monkeypatch):
     )
     # A different file must survive its neighbour being forgotten.
     assert settings.get_model_override("/models/foo.gguf")["max_seq_length"] == 8192
+
+
 def test_a_tag_that_names_no_quant_resolves_to_the_repo(monkeypatch):
     # A downloaded but unloaded GGUF asked for as org/model:latest missed the
     # resolver, so the switch path could not load it: with auto-download on it
diff --git a/tests/studio/test_settings_compact_overflow_contract.py b/tests/studio/test_settings_compact_overflow_contract.py
index 71b103f5b9..9f68d0b529 100644
--- a/tests/studio/test_settings_compact_overflow_contract.py
+++ b/tests/studio/test_settings_compact_overflow_contract.py
@@ -26,9 +26,7 @@ def test_api_monitor_entries_and_expanded_text_can_shrink():
     assert '<section className="flex min-w-0 flex-col gap-1.5">' in source
     # Prompt and reply are unbounded user text: they must be height-capped,
     # scrollable, and wrap rather than stretch the pane.
-    assert (
-        "max-h-72 overflow-auto whitespace-pre-wrap break-words rounded-lg bg-muted/50" in source
-    )
+    assert "max-h-72 overflow-auto whitespace-pre-wrap break-words rounded-lg bg-muted/50" in source
     # A model id or path has no spaces to wrap on, so it needs break-all.
     assert 'className="min-w-0 break-all font-mono' in source