Assume Ubuntu & install Python 3.5 from deadsnakes PPA

1 job for gitlab-ci in 1 minute and 34 seconds (queued for 3 minutes and 1 second)
latest
Status Job ID Name Coverage
  Test
failed #4994005
tox

00:01:34

 
Name Stage Failure
failed
tox Test There is an unknown failure, please try again
Using Docker executor with image ruby:2.1 ...
Pulling docker image ruby:2.1 ...
Running on runner-30dcea4b-project-1793749-concurrent-0 via runner-30dcea4b-machine-1476209361-910b0eee-digital-ocean-4gb...
Cloning repository...
Cloning into '/builds/codeghar/brokerlso'...
Checking out 13e2c133 as gitlab-ci...
/bin/bash: line 44: add-apt-repository: command not found
$ add-apt-repository ppa:fkrull/deadsnakes
ERROR: Build failed: exit code 1