def test_missingfile2(self):
        try:
            self.auth.load_creds(creds_file='foobar')
        # raises ValueError (zero length field name in format) for python 2.6
        # OSError for the rest
        except OSError:
            pass
        except ValueError:
            pass
        except Exception as e:
            self.fail('Unexpected exception thrown: %s' % e)
        else:
            self.fail('OSError exception not thrown.')
Credentials file 'foobar' cannot be found in default subdir.
dataset/ETHPy150Open nltk/nltk/nltk/test/unit/test_twitter_auth.py/TestCredentials.test_missingfile2