Notebook loading error - The file has been corrupted or is not a valid notebook file.

[benstaf]

when clicking on Google Colab: https://github.com/AI4Finance-Foundation/FinRL-Tutorials/blob/master/1-Introduction/Stock_NeurIPS2018_SB3.ipynb

SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data
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