GitLab

* fixed merge_from_dict, add DictAction

* add config docs

* fixed format type

* change to easy example

* update docs

* update docs

* remove supports for python 2.7

* fix the unit test for python 3.5

* add python 3.8 in CI

* try ubuntu 18.04 as the environment

* update pre-commit hook config

* update the contributing guide

* Fix the missing numpy module for readthedocs

* fix the linting

* Adaptive progress bar length
Signed-off-by: lizz <lizz@sensetime.com>

* it works
Signed-off-by: lizz <lizz@sensetime.com>

* format

* pass test

* :lipstick

* test

* Update test_progressbar.py

* 2.7

* sort import
Signed-off-by: lizz <lizz@sensetime.com>

* try this
Signed-off-by: lizz <lizz@sensetime.com>

Signed-off-by: lizz <lizz@sensetime.com>

* track progress of iter&enum

* reformat

* reformat with yapf

* add unitest

* add doc, and deprecate track_enum_progress

* update docs & comments

* fix doc generation

* add docs for optical flow

* fix typo

* update the documentation

* update the documentation

* Update io.md

Update old crop_img and pad_img to imcrop and impad