Longcuirong

> I have also encountered this error. So I checked the keys of 'instances_train2014.json' and 'instances_val2014.json', the keys are 'images', 'licenses', 'annotations', 'categories', 'info', no 'instances'. I directly commented the...

when I > coco-caption/ dir. Here: https://github.com/luulinh90s/coco-caption when I use your coco-caption dir ,there still exsists type error??? 

> Alright, [here's ](https://github.com/microsoft/LightGBM/files/7317287/test.tar.gz) a first run at the simple C example. My intuition was to carry over the logic, test data, etc. from `tests/c_api_test/test_.py`. However, there's a bit of...