Not all mask instances downloaded
The package only downloads one instance of a given label although multiple instances exist within the downloaded .json file per image.
Steps to reproduce
OS: macOS High Sierra, version: Labelbox-Utils v.0.0.3,
labelbox_export_json with .json downloaded from LapUS segmentation labelbox.
What is the current bug behavior?
Only one label per category per image is downloaded into the created directories, eg: ./241_1562576210064153856_vessel.bmp
What is the expected correct behavior?
Multiple labels per category per image should be downloaded, as there are multiple "vessel" dictionary items in the "objects" list per image.