diff --git a/src/ontogpt/io/csv_wrapper.py b/src/ontogpt/io/csv_wrapper.py
index a9aad9725..bcc8878ec 100644
--- a/src/ontogpt/io/csv_wrapper.py
+++ b/src/ontogpt/io/csv_wrapper.py
@@ -1,5 +1,5 @@
 """Utilities for CSVs and TSVs."""
-import yaml
+# import yaml
 import csv
 import logging
 from pathlib import Path