Fix for python3.5 compatibility

5 jobs for master in 10 seconds (queued for 12 seconds)
Name Stage Failure
failed
test-py3.5 Py35
Coverage.py warning: Data file '/builds/nmaillet/rpg/.coverage.runner-yksxe3po-project-1568-concurrent-0xxvsn.67.765431' doesn't seem to be a coverage data file: 'NoneType' object is not iterable
Coverage.py warning: Data file '/builds/nmaillet/rpg/.coverage.runner-yksxe3po-project-1568-concurrent-0xxvsn.28.842204' doesn't seem to be a coverage data file: 'NoneType' object is not iterable
Coverage.py warning: Data file '/builds/nmaillet/rpg/.coverage.runner-yksxe3po-project-1568-concurrent-0xxvsn.26.620736' doesn't seem to be a coverage data file: Couldn't use data file '/builds/nmaillet/rpg/.coverage.runner-yksxe3po-project-1568-concurrent-0xxvsn.26.620736': no such table: coverage_schema
Coverage.py warning: Data file '/builds/nmaillet/rpg/.coverage.runner-yksxe3po-project-1568-concurrent-0xxvsn.66.661019' doesn't seem to be a coverage data file: 'NoneType' object is not iterable
Coverage.py warning: Data file '/builds/nmaillet/rpg/.coverage.runner-yksxe3po-project-1568-concurrent-0xxvsn.71.124501' doesn't seem to be a coverage data file: 'NoneType' object is not iterable
Coverage.py warning: Data file '/builds/nmaillet/rpg/.coverage.runner-yksxe3po-project-1568-concurrent-0xxvsn.58.154809' doesn't seem to be a coverage data file: 'NoneType' object is not iterable
Coverage.py warning: Data file '/builds/nmaillet/rpg/.coverage.runner-yksxe3po-project-1568-concurrent-0xxvsn.61.794503' doesn't seem to be a coverage data file: 'NoneType' object is not iterable
Coverage.py warning: Data file '/builds/nmaillet/rpg/.coverage.runner-yksxe3po-project-1568-concurrent-0xxvsn.32.278526' doesn't seem to be a coverage data file: Couldn't use data file '/builds/nmaillet/rpg/.coverage.runner-yksxe3po-project-1568-concurrent-0xxvsn.32.278526': no such table: coverage_schema
ERROR: Job failed: command terminated with exit code 1