[ADD] Add base_community module
[ADD] Add base_community module
[REF] PEP8 correction for Travis
[REF] PEP8 correction for Travis
[REF] PEP8 correction for Travis
[REF] PEP8 correction for Travis
[REF] replace osv.osv by osv.Model
[REF]osv.Model into orm.Model
[FIX] Travis
[Unreviewed][FIX] Travis