Merge pull request !6753 from hwjiaorui/master

Merge pull request !6639 from hwjiaorui/master

modify st

st code

modify step threhold

const modify

threshold value

add resnet50 st

modify monitor

init weights

modify batch size

px

delete loss scale and add init weiht

modify loss precision

format code

modify dataset path

modify mobiluenet dataset path

format code

delete ()

delete unuse import

delete nn

change ImagefolderDV2 name

change ds.transforms.vision to ds.vision

change batch api to match map api more closely

compose op changes

test_pylint

remove compose op from vision, move to transform module, refactor map and batch to use column_order

add ci for quant