Fix class cast exception.

johnmay · johnmay · commit 1fd2fad6ada3 · 2021-03-19T12:22:14.000Z
diff --git a/storage/smiles/src/main/java/org/openscience/cdk/smiles/SmilesParser.java b/storage/smiles/src/main/java/org/openscience/cdk/smiles/SmilesParser.java
@@ -790,7 +790,7 @@ else if (chemObj instanceof IAtomContainer)
             for (Map.Entry<Integer, Integer> e : cxstate.stereoGrps.entrySet()) {
                 IAtom atm = atoms.get(e.getKey());
                 IAtomContainer mol = atomToMol.get(atm);
-                for (IStereoElement<?, ?> stereo : ((IAtomContainer) chemObj).stereoElements()) {
+                for (IStereoElement<?, ?> stereo : mol.stereoElements()) {
                     // maybe also Al and AT?
                     if (stereo.getConfigClass() == IStereoElement.TH &&
                             stereo.getFocus().equals(atm)) {
