ERR path not found caused by interrupted downloading

[WenjieDu]

1. System Info

TSDB 0.0.9, Python 3.9, MacOS 12.6.8

2. Information

• The official example scripts
• My own created scripts

3. Reproduction

Press CTRL-C when TSDB is downloading a dataset.

4. Expected behavior

TSDB raises an ERR path not found in the following retry because the dataset's path was created in .tsdb_cached_datasets but its files were not downloaded.