I meet a problem when I download datasets

Dear,
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        I'm studying MNE-python. By data_path=op.join(mne.datasets.sample.data_path(),'MEG','sample','sample_audvis_raw.fif'), I want to download the dataset. However, several times I only downloaded 1.53 Gb (full dataset is 1.54Gb). When I continued to download the left 0.01Gb, It doesn't work. In the mne_data folder, it's MNE-sample-data-processed.tar.gz.part. How do I fix it ? Are there other methods to download the datasets related to MNE-python? Thank you very much!
Best regards,
Wenhai Zhang

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Most datasets are now stored on osf.io <https://osf.io/rxvq7/>. You can
download the sample dataset manually, extract it, and give the path to the
MNE-sample-data directory with something like:

mne.datasets.sample.data_path('/home/larsoner/mne_data')

?
Eric