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-rw-r--r--gn3/db/wiki.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/gn3/db/wiki.py b/gn3/db/wiki.py
index 973175a..c3c68e0 100644
--- a/gn3/db/wiki.py
+++ b/gn3/db/wiki.py
@@ -21,7 +21,9 @@ def get_latest_comment(connection, comment_id: int) -> int:
     """
     cursor.execute(query, (str(comment_id),))
     result = cursor.fetchone()
-    result["pubmed_ids"] = [x.strip() for x in result.get("pubmed_ids", "").split()]
+    if (pubmed_ids := result.get("pubmed_ids")) is None:
+        pubmed_ids = ""
+    result["pubmed_ids"] = [x.strip() for x in pubmed_ids.split()]
     categories_query = """
         SELECT grx.GeneRIFId, grx.versionId, gc.Name FROM GeneRIFXRef grx
                 INNER JOIN GeneCategory gc ON grx.GeneCategoryId=gc.Id