Add newline

Author: bgyori

indra/sources/signor/processor.py

@@ -594,4 +594,4 @@ def process_chebi_id(chebi_id):
     # Fix for a Jan 2026 release issue
     if chebi_id == 'ribosomalRNA':
         return 'CHEBI:18111'
-    return 'CHEBI:' + chebi_id.split(':')[1].strip()
+    return 'CHEBI:' + chebi_id.split(':')[1].strip()