GitLab

* 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>

* fix doc generation

* add docs for optical flow

* fix typo