country code parser failing

Query: .tt
ERROR:scripts.ibid-plugin:Exception occured in TLD processor of network plugin
Traceback (most recent call last):
  File "scripts/ibid-plugin", line 129, in <module>
    processor.process(event)
  File "./ibid/plugins/__init__.py", line 145, in process
    method(event, *match.groups())
  File "./ibid/plugins/network.py", line 447, in tld_to_country
    self.country_codes = get_country_codes()
  File "./ibid/utils/__init__.py", line 369, in get_country_codes
    country, code = line.split(u';')
ValueError: need more than 1 value to unpack
Response: That didn't go down very well. Burp.

Looks like it's due to a blank line at the end of the ISO-3166 file.