fix(i18n): add encoding to file to fix i18ncube

--HG--
branch : seda21
5 jobs for branch/seda21 in 5 minutes and 59 seconds (queued for 6 seconds)
Status Job ID Name Coverage
  Lint
passed #326715
check-manifest

00:00:23

passed #326714
flake8

00:00:42

 
  Tests
failed #326716
py27

00:02:43

failed #326717
py3

00:05:16

 
  Build Debian Package
skipped #326718
manual
build-debian
 
Name Stage Failure
failed
py3 Tests
Uploading artifacts for failed job
Uploading artifacts...
py3-deprecated-warnings.json: found 1 matching files and directories

Uploading artifacts as "archive" to coordinator... ok
id=326717 responseStatus=201 Created token=Mt-V-6-s
Uploading artifacts...
report.xml: found 1 matching files and directories

Uploading artifacts as "junit" to coordinator... ok
id=326717 responseStatus=201 Created token=Mt-V-6-s
Cleaning up file based variables
ERROR: Job failed: command terminated with exit code 1
failed
py27 Tests
E       Diff is 857 characters long. Set self.maxDiff to None to see it.

test/test_xsd2yams.py:261: AssertionError
============== 42 failed, 10 passed, 82 skipped in 100.34 seconds ==============
ERROR: InvocationError for command /builds/cubicweb/cubes/seda/.tox/py27/bin/python -m pytest test (exited with code 1)
___________________________________ summary ____________________________________
ERROR: py27: commands failed
Cleaning up file based variables
ERROR: Job failed: command terminated with exit code 1