fix: Add noqa comment for intentional E402 in test_utils.py

The knowledge_utils import must come after sys.path modification,
which is intentional. Add noqa comment to suppress E402 error.

Author: andrewdonheiser

tests/knowledge-tuning/test_utils.py

@@ -12,7 +12,7 @@
 utils_path = repo_root / "examples" / "knowledge-tuning" / "04_Knowledge_Mixing" / "utils"
 sys.path.insert(0, str(utils_path))
 
-from knowledge_utils import (
+from knowledge_utils import (  # noqa: E402
     count_len_in_tokens,
     generate_knowledge_qa_dataset,
     get_avg_summaries_per_raw_doc,