Script error running TPS03-J

```
  File ""/Foo/understand/scitools/conf/plugin/SciTools/CodeCheck/Published Standards/SEI Cert Standards/Java/TPS03-J/check.upy"", line 101, in check
    lib = lex.ent().library()
          ^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'library'
```