stats problem

[valaises]

-- 1021704 -- | File "/home/user/code/refact/refact_webgui/dashboards/dash_prime.py", line 195, in extract_stats
-- 1021704 -- | 'columns': ['Language', *res_loc[list(res_loc.keys())[0]].keys()],
-- 1021704 -- | IndexError: list index out of range

[valaises]

fixed #364