When reviewing bug #750902:

Traceback (most recent call last):
File "/usr/bin/fedora-review", line 202, in <module>
review.run()
File "/usr/bin/fedora-review", line 196, in run
self.__do_report()
File "/usr/bin/fedora-review", line 110, in __do_report
self.__do_report_local(self.args.workdir)
File "/usr/bin/fedora-review", line 119, in __do_report_local
self.__run_checks(files_spec[0], files_srpm[0])
File "/usr/bin/fedora-review", line 165, in __run_checks
self.checks.run_checks(output=output)
File "/usr/lib/python2.7/site-packages/FedoraReview/misc.py", line 120, in run_checks
test.run()
File "/usr/lib/python2.7/site-packages/FedoraReview/checks/java.py", line 95, in run
for html in files[key]:
KeyError: None