[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

studio/backend/core/inference/llama_cpp.py

@@ -134,6 +134,7 @@ def _has_answer_artifact(text: str) -> bool:
         return _PLAN_LIST_FRAMING.search(text) is None
     return False
 
+
 # Without max_tokens, llama-server defaults to n_predict = n_ctx (up to
 # 262144 for Qwen3.5), producing many-minute zombie decodes when cancel
 # fails. t_max_predict_ms is a wall-clock backstop applied unconditionally,

studio/backend/tests/test_llama_cpp_reprompt_guard.py

@@ -103,8 +103,8 @@ def test_artifact_regex_detects_non_alpha_info_strings():
     samples = [
         "First, let me write it.\n```python3\nprint('hi')\n```",
         "First, let me write it.\n```c++\nint main() { return 0; }\n```",
-        "First, let me write it.\n```c#\nConsole.WriteLine(\"hi\");\n```",
-        "First, let me write it.\n```objective-c\nNSLog(@\"hi\");\n```",
+        'First, let me write it.\n```c#\nConsole.WriteLine("hi");\n```',
+        'First, let me write it.\n```objective-c\nNSLog(@"hi");\n```',
         "First, let me write it.\n```ts-node\nconsole.log('hi')\n```",
         "First, let me script it.\n```bash-session\n$ echo hi\n```",
         "First, let me show it.\n```python linenums=\"1\"\nprint('hi')\n```",