[fix] WW needs an extension for a file

4 jobs for 2019.0407.1406 in 13 minutes and 53 seconds (queued for 1 minute and 46 seconds)
latest
Status Job ID Name Coverage
  Build
passed #19820
redshift
build

00:02:18

 
  Package
passed #19821
redshift-duniter-builder manual
releases:x64

00:10:33

 
  Prerelease
failed #19822
redshift-duniter-builder
prerelease

00:01:02

 
  Release
skipped #19823
redshift-duniter-builder manual
publish
 
Name Stage Failure
failed
prerelease Prerelease
    "__main__", mod_spec)
File "/usr/lib/python3.5/runpy.py", line 85, in _run_code
exec(code, run_globals)
File ".gitlab/releaser/__main__.py", line 1, in <module>
from releaser import Releaser
File ".gitlab/releaser/releaser.py", line 2, in <module>
import jinja2
ImportError: No module named 'jinja2'
ERROR: Job failed: exit code 1