[Python] Err in add_item Dataset

import tkinter.filedialog
dir=tkinter.filedialog.askdirectory()
files=os.walk(dir)
for f1 in files:
direct = f1[0].split('\\')[-1]
for f in f1[2]:
if f.split('.')[-1] == 'jpeg':
import PIL.Image
jpg = f1[0] + '/' + f
img = PIL.Image.open(jpg, mode='r')
n={"image":img, "label":labels.index(direct)}

# from datasets import Image
# feature = Image()
# n['image'] = feature.encode_example(n['image'])

print(n,'\n',data_set["train"][-1])
data_set["train"].add_item(n)


print:

{'image': <PIL.PngImagePlugin.PngImageFile image mode=RGBA size=256x256 at 0x2585ACB0D10>, 'label': 0}
{'image': <PIL.JpegImagePlugin.JpegImageFile image mode=RGB size=256x256 at 0x2585ACD9F90>, 'label': 18}
​

err:

pyarrow.lib.ArrowInvalid: Could not convert <PIL.PngImagePlugin.PngImageFile image mode=RGBA size=256x256 at 0x2585ACB0D10> with type PngImageFile: did not recognize Python value type when inferring an Arrow data type
​

in \datasets\table.py line 757, in from_pydict

when uncomment:

from datasets import Image
feature = Image()
n['image'] = feature.encode_example(n['image'])


print:

{'image': {'path': 'XXXXX\00227-1230095564.jpeg', 'bytes': None}, 'label': 0}
{'image': <PIL.JpegImagePlugin.JpegImageFile image mode=RGB size=256x256 at 0x1F45ABDAD90>, 'label': 23}
​

err:

AttributeError: 'Image' object has no attribute 'items'
​

in datasets\features\features.py line 2248 _align_features

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