BUG: FileNotFoundError: [Errno 2] No such file or directory

[simplew2011]

Describe the bug

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To Reproduce

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# download dataset
wget https://atp-modelzoo.oss-cn-hangzhou.aliyuncs.com/release/datasets/WuDaoCorpus2.0_base_sample.tgz
tar zxvf WuDaoCorpus2.0_base_sample.tgz

import xorbits.pandas as pd
import xorbits.datasets as xdatasets
from datasets import load_dataset

import xorbits
xorbits.init()

data = load_dataset("./WuDaoCorpus2.0_base_sample")
print(data)

df = pd.DataFrame(pd.DataFrame(data['train']), chunk_size=1000)
print(df.shape)
print(df.dtypes)
print(df.head())
from xorbits.experimental import dedup

res = dedup(df, col="content")
print(10*"---")
print(res)

1. Your Python version：3.8.5
2. The version of Xorbits you use：0.7.1
3. Versions of crucial packages, such as numpy, scipy and pandas
4. Full stack of the error.
5. Minimized code to reproduce the error.

Expected behavior

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Additional context

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[simplew2011]

add a line is ok：
xorbits.shutdown()

[aresnow1]

So, it was raised when process exit?