diff --git a/studio/backend/tests/test_offline_gguf_cache_fallback.py b/studio/backend/tests/test_offline_gguf_cache_fallback.py
index 3c62fb7964..3240c2dc5e 100644
--- a/studio/backend/tests/test_offline_gguf_cache_fallback.py
+++ b/studio/backend/tests/test_offline_gguf_cache_fallback.py
@@ -1039,7 +1039,6 @@ class TestEndpointAwareOfflineDetection:
     )
     def test_endpoint_host_parsing(self, monkeypatch, endpoint, expected):
         from core.inference.llama_cpp import _hf_endpoint_host
-
         monkeypatch.setenv("HF_ENDPOINT", endpoint)
         assert _hf_endpoint_host() == expected
 
@@ -1147,7 +1146,6 @@ class TestHfUnreachableProbe:
         """Stale either way is a bug: a stale 'reachable' hides the plug being pulled,
         a stale 'unreachable' fails a download after the user reconnects."""
         import utils.utils as uu
-
         assert uu._HF_REACHABILITY_TTL_S <= 10.0
 
     def test_verdict_expires_so_a_disconnect_is_noticed(self, monkeypatch, clean_offline_env):
diff --git a/studio/backend/utils/transformers_version.py b/studio/backend/utils/transformers_version.py
index bbc51d0774..34576decc2 100644
--- a/studio/backend/utils/transformers_version.py
+++ b/studio/backend/utils/transformers_version.py
@@ -90,7 +90,9 @@ def hf_endpoint_unreachable(timeout: int = 3, *, gateway_errors_offline: bool =
             # the hub itself is down, which callers scoping offline to one operation want
             # to treat as offline; callers setting a lifetime flag pass
             # gateway_errors_offline=False so a momentary 503 can't strand the process.
-            result["online"] = True if not gateway_errors_offline else exc.code not in (502, 503, 504)
+            result["online"] = (
+                True if not gateway_errors_offline else exc.code not in (502, 503, 504)
+            )
         except urllib.error.URLError as exc:
             # A TLS/cert failure means we DID reach the server; treat as reachable so the real
             # load surfaces it (consistent with _is_offline_related_error not retrying TLS).