diff --git a/studio/backend/tests/test_diffusion_precision.py b/studio/backend/tests/test_diffusion_precision.py
index 548894fa6f..7a64139618 100644
--- a/studio/backend/tests/test_diffusion_precision.py
+++ b/studio/backend/tests/test_diffusion_precision.py
@@ -265,9 +265,13 @@ def test_quantize_explicit_torchao_probes_kernel(monkeypatch):
     # encoder yet the kernel is broken, report dense (None) instead of crashing on the first forward.
     _stub_torch(monkeypatch, cc = (10, 0))
     monkeypatch.setattr(dp, "_te_scheme_probe", lambda scheme, device: False)
-    monkeypatch.setattr(dp, "_cast_fp8_dynamic", lambda *a: pytest.fail("must not cast on probe fail"))
+    monkeypatch.setattr(
+        dp, "_cast_fp8_dynamic", lambda *a: pytest.fail("must not cast on probe fail")
+    )
     monkeypatch.setattr(dp, "_cast_nvfp4", lambda *a: pytest.fail("must not cast on probe fail"))
-    monkeypatch.setattr(dp, "_cast_int8_selective", lambda *a: pytest.fail("must not cast on probe fail"))
+    monkeypatch.setattr(
+        dp, "_cast_int8_selective", lambda *a: pytest.fail("must not cast on probe fail")
+    )
     pipe = types.SimpleNamespace(text_encoder = object())
     assert quantize_text_encoders(pipe, _target(), mode = "fp8_dynamic") is None
     assert quantize_text_encoders(pipe, _target(), mode = "nvfp4") is None
diff --git a/studio/backend/tests/test_video_backend.py b/studio/backend/tests/test_video_backend.py
index 7008834dc6..5ed4be9676 100644
--- a/studio/backend/tests/test_video_backend.py
+++ b/studio/backend/tests/test_video_backend.py
@@ -1138,7 +1138,9 @@ def test_video_speed_off_suppresses_auto_companion_quant(fake_runtime, monkeypat
     te_modes: list = []
     vae_modes: list = []
     monkeypatch.setattr(
-        video_mod, "quantize_text_encoders", lambda pipe, target, *, mode, **kw: te_modes.append(mode)
+        video_mod,
+        "quantize_text_encoders",
+        lambda pipe, target, *, mode, **kw: te_modes.append(mode),
     )
     monkeypatch.setattr(
         video_mod, "quantize_vae", lambda pipe, target, *, mode, **kw: vae_modes.append(mode)