GitLab

* fix some pavi logger hooks

* fix unittest

* fix small bugs

* small change

* fix unittest

* Add EpochBasedRunner conditions

* Add session text

* fix small bug

* fetch runner mode from log buffer

* Add max_iter to pavi session text

* change yaml.dump to yamp.dump(yaml.load(mmcv.dump))

* Directly use by_epoch

* fix unittest

* add comments

* Use runner.epoch + 1 in pavi log

* fix runner.epoch issue for runner.mode=='val'

* fix runner.epoch issue for runner.mode=='val'

* Use abspath instead of realpath

* Add meta dump unittest

* small change

* Add comments