diff --git a/studio/backend/main.py b/studio/backend/main.py
index 488ce936ff..5d1670c182 100644
--- a/studio/backend/main.py
+++ b/studio/backend/main.py
@@ -16,7 +16,6 @@ os.environ["PYTHONWARNINGS"] = "ignore"
 # Python 3.8+ ignores PATH for extension modules; register ROCm bin dirs with
 # os.add_dll_directory() so amdhip64.dll etc. are found before any torch import.
 if sys.platform == "win32":
-
     # Retained at module scope -- os.add_dll_directory returns a handle that
     # removes the search-path entry when garbage collected.
     _ROCM_DLL_HANDLES: list = []
@@ -66,6 +65,7 @@ if sys.platform == "win32":
     if os.environ.get("HIP_PATH") or os.environ.get("ROCM_PATH"):
         try:
             import torch as _torch_probe
+
             _is_rocm_host = bool(getattr(_torch_probe.version, "hip", None))
             del _torch_probe
         except Exception:
diff --git a/tests/studio/install/test_rocm_support.py b/tests/studio/install/test_rocm_support.py
index 035a9ea3c6..bf6ab2a9bc 100644
--- a/tests/studio/install/test_rocm_support.py
+++ b/tests/studio/install/test_rocm_support.py
@@ -1799,8 +1799,10 @@ class TestRocmTorchInstalledEnvVar:
     @patch.object(stack_mod, "pip_install")
     def test_env_var_skips_main_pip_install(self, mock_pip, mock_bnb):
         """UNSLOTH_ROCM_TORCH_INSTALLED=1 should not trigger torch pip_install."""
-        with patch.dict(os.environ, {"UNSLOTH_ROCM_TORCH_INSTALLED": "1"}), \
-             patch.object(stack_mod.subprocess, "run", side_effect=self._ok_torch_probe):
+        with (
+            patch.dict(os.environ, {"UNSLOTH_ROCM_TORCH_INSTALLED": "1"}),
+            patch.object(stack_mod.subprocess, "run", side_effect = self._ok_torch_probe),
+        ):
             stack_mod._ensure_rocm_torch()
         mock_pip.assert_not_called()
 
@@ -1808,8 +1810,10 @@ class TestRocmTorchInstalledEnvVar:
     @patch.object(stack_mod, "pip_install")
     def test_env_var_calls_bnb_install(self, mock_pip, mock_bnb):
         """UNSLOTH_ROCM_TORCH_INSTALLED=1 should still call _install_bnb_windows_rocm."""
-        with patch.dict(os.environ, {"UNSLOTH_ROCM_TORCH_INSTALLED": "1"}), \
-             patch.object(stack_mod.subprocess, "run", side_effect=self._ok_torch_probe):
+        with (
+            patch.dict(os.environ, {"UNSLOTH_ROCM_TORCH_INSTALLED": "1"}),
+            patch.object(stack_mod.subprocess, "run", side_effect = self._ok_torch_probe),
+        ):
             stack_mod._ensure_rocm_torch()
         mock_bnb.assert_called_once()
 
@@ -1818,8 +1822,10 @@ class TestRocmTorchInstalledEnvVar:
     def test_env_var_sets_rocm_windows_flag(self, mock_pip, mock_bnb):
         """UNSLOTH_ROCM_TORCH_INSTALLED=1 should set _rocm_windows_torch_installed."""
         stack_mod._rocm_windows_torch_installed = False
-        with patch.dict(os.environ, {"UNSLOTH_ROCM_TORCH_INSTALLED": "1"}), \
-             patch.object(stack_mod.subprocess, "run", side_effect=self._ok_torch_probe):
+        with (
+            patch.dict(os.environ, {"UNSLOTH_ROCM_TORCH_INSTALLED": "1"}),
+            patch.object(stack_mod.subprocess, "run", side_effect = self._ok_torch_probe),
+        ):
             stack_mod._ensure_rocm_torch()
         assert stack_mod._rocm_windows_torch_installed is True
 
@@ -1828,14 +1834,18 @@ class TestRocmTorchInstalledEnvVar:
     def test_env_var_falls_through_when_torch_missing(self, mock_pip, mock_bnb):
         """If the venv was wiped between runs, the stale env-var must not suppress reinstall."""
         stack_mod._rocm_windows_torch_installed = False
+
         def _bad_probe(*a, **kw):
             rv = MagicMock()
             rv.returncode = 1
             return rv
-        with patch.dict(os.environ, {"UNSLOTH_ROCM_TORCH_INSTALLED": "1"}), \
-             patch.object(stack_mod.subprocess, "run", side_effect=_bad_probe), \
-             patch.object(stack_mod, "IS_WINDOWS", False), \
-             patch.object(stack_mod, "IS_MACOS", True):
+
+        with (
+            patch.dict(os.environ, {"UNSLOTH_ROCM_TORCH_INSTALLED": "1"}),
+            patch.object(stack_mod.subprocess, "run", side_effect = _bad_probe),
+            patch.object(stack_mod, "IS_WINDOWS", False),
+            patch.object(stack_mod, "IS_MACOS", True),
+        ):
             stack_mod._ensure_rocm_torch()
         # macOS branch is the next exit -- but the point is the early-return did NOT fire.
         mock_bnb.assert_not_called()