For example in [url travis-ci.org/lino-framework/book/jobs/537729352] coverage says: {'buffer_': ['lino_book/projects/crl/fixtures/hs2lino.py  NotPython: Couldn't parse '/home/travis/build/lino-framework/book/lino_book/projects/crl/fixtures/hs2lino.py' as Python source: 'invalid syntax' at line 132",

'lino_book/projects/min9/myscript.py  NotPython: Couldn't parse '/home/travis/build/lino-framework/book/lino_book/projects/min9/myscript.py' as Python source: 'Missing parentheses in call to 'print'. Did you mean print(__doc__)?' at line 13\r\n",