https://gerrit.wikimedia.org/r/#/c/81500/ broke generate_user_files.py on Tool Labs:

$ export PYTHONPATH=/shared/pywikipedia/rewrite:/shared/pywikipedia/rewrite/externals/httplib2:/shared/pywikipedia/rewrite/scripts
$ python /shared/pywikipedia/rewrite/generate_user_files.py

Your default user directory is "/home/valhallasw/.pywikibot"
How to proceed? ([K]eep [c]hange)
Do you want to copy user files from an existing pywikipedia installation? n
Create user-config.py file? Required for running bots ([y]es, [N]o) y
1: anarchopedia
2: battlestarwiki
3: commons
4: fon
5: gentoo
6: i18n
7: incubator
8: lockwiki
9: lyricwiki
10: mediawiki
11: meta
12: oldwikivoyage
13: omegawiki
14: osm
15: southernapproach
16: species
17: strategy
18: test
19: vikidia
20: wikia
21: wikibooks
22: wikidata
23: wikimedia
24: wikinews
25: wikipedia
26: wikiquote
27: wikisource
28: wikitech
29: wikiversity
30: wikivoyage
31: wiktionary
32: wowwiki
Select family of sites we are working on, just enter the number not name (default: wikipedia):
Traceback (most recent call last):

File "/shared/pywikipedia/rewrite/generate_user_files.py", line 330, in <module>
  create_user_config()
File "/shared/pywikipedia/rewrite/generate_user_files.py", line 194, in create_user_config
  fam, mylang, mainusername = get_site_and_lang()
File "/shared/pywikipedia/rewrite/generate_user_files.py", line 169, in get_site_and_lang
  codesds = codecs.open("pywikibot/families/%s_family.py" % fam, "r", "utf-8").read()
File "/usr/lib/python2.7/codecs.py", line 881, in open
  file = __builtin__.open(filename, mode, buffering)

IOError: [Errno 2] No such file or directory: 'pywikibot/families/wikipedia_family.py'

Version: core-(2.0)
Severity: critical