Fastai2 - can't set bach_tfms with aug_transforms

I’m trying to set batch_tfm using aug_transforms(), but it’s not work.
when running
dls = ImageDataLoaders.from_name_re(letters_path, files, pat, item_tfms=Resize(224)
all is right, but with
tfms = aug_transforms(do_flip=False, max_zoom=1) dls = ImageDataLoaders.from_name_re(letters_path, files, pat, item_tfms=Resize(224), batch_tfms=aug_transforms)
I get the message
Could not do one pass in your dataloader, there is something wrong in it
How can I fix it?