update_charge skips cutting labels

Author: ssun30

rmgpy/molecule/group.py

@@ -1418,6 +1418,8 @@ def update_charge(self):
         and radical electrons. This method is used for products of specific families with recipes that modify charges.
         """
         for atom in self.atoms:
+            if isinstance(atom, CuttingLabel):
+                continue
             if (len(atom.charge) == 1) and (len(atom.lone_pairs) == 1) and (len(atom.radical_electrons) == 1):
                 # if the charge of the group is not labeled, then no charge update will be
                 # performed. If there multiple charges are assigned, no update either.

rmgpy/molecule/molecule.py

@@ -1276,7 +1276,8 @@ def sort_atoms(self):
     def update_charge(self):
 
         for atom in self.atoms:
-            atom.update_charge()
+            if not isinstance(atom, CuttingLabel):
+                atom.update_charge()
 
     def update(self, log_species=True, raise_atomtype_exception=True, sort_atoms=True):
         """