fixes issue #137

Acellera · Sep 9, 2024 · 43ea4af · 43ea4af
1 parent fc66223
commit 43ea4af
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/moleculekit/tools/preparation.py b/moleculekit/tools/preparation.py
@@ -741,7 +741,7 @@ def systemPrepare(
         residue_smiles=residue_smiles,
     )
 
-    nonpept = None
+    nonpept = []
     if hold_nonpeptidic_bonds:
         nonpept = _detect_nonpeptidic_bonds(mol_in)