fix pylint

addressed code review comment

Merge pull request !3800 from baihuawei/multinomial-c

Merge pull request !4048 from linqingke/new_ops

Merge pull request !4074 from baihuawei/0806

Merge pull request !4088 from TuDouNi/master

fix bug

clang-format

format fix

fix bug update thor gradient op

fix bug

fix format

fix format

fix docstring

fix ops docstring

change algo type

pylint

Merge pull request !3619 from danishnxt/GPU_One

box copying fix

common function for IOU

new sort func

final update + unit test

remove one comment

fix lintig -1

lint fix 2

lint fix 3

last lint fix

value fix in ST nms with mask

addressing comments

 pylint fix

 pylint fix 1

test file fix

Merge pull request !3560 from peixu_ren/custom_gpu

Merge pull request !3259 from baihuawei/automl