NER JSON import dataset not working

[novicecivon]

The bug:
A clear and concise description of what the bug is.
I have followed the sample format of the provided JSON file; however, it doesn't work.
I have also tried to input the sample format just to make sure it works but it also doesn't work.

Steps to Reproduce?
Try to import the suggested sample format.

[seveibar]

Hi novicecivon, thanks for reporting. This repo isn't under active maintenance, but I would accept a PR :)

[chavinlo]

I'm getting the following:
SyntaxError: Unexpected token '�', "�PNG
�

This quite literally breaks the site's basic functionality
Edit: I got confused, ignore this