This update for o2locktop fixes the following issues:

o2locktop was updated to version 1.0.10+git.1564463799.6f331ba:

* Fix hostname display problem on python3 (boo#1143155)
* Fix TypeError exception problem on python 2.6.9 (boo#1143159)
* Update readme doc and usage printing
* Add the design document of o2locktop
* Show the hang time when detect deadlock
* Fix o2locktop becomes slow when handling lots of files (boo#1134390)