Can i use param_schedulers where one is by_epoch=False and one is by_epoch=True?

[yxchng]

param_scheduler = [
dict(type='LinearLR',
start_factor=0.1,
begin=0,
end=500,
by_epoch=False),
dict(type='PolyLR', begin=0, end=512, power=0.9)
]