minor fix

Author: calvinp0

autotst/reaction.py

@@ -686,7 +686,7 @@ def calculate_symmetry_number(self):
                 try:
                     species = rmgpy.species.Species(molecule=[self.rmg_molecule])
                     self._symmetry_number = species.get_symmetry_number()
-                except:
+                except Exception:
                     self._symmetry_number = self.rmg_molecule.get_symmetry_number()
             else:
                 raise