`Traceback (most recent call last):


 "train/coco2017.py", line 503, in <module>

evaluate_coco(model, dataset_val, coco, "segm", limit=int(args.limit))


 "train/coco2017.py", line 340, in evaluate_coco

r = model.detect([image], verbose=0)[0]


 "/usr/local/lib/python3.6/dist-packages/mask_rcnn-2.1-py3.6.egg/mrcnn/model.py", line 2911, in detect


 "/usr/local/lib/python3.6/dist-packages/mask_rcnn-2.1-py3.6.egg/mrcnn/model.py", line 2813, in mold_inputs
AttributeError: 'NoneType' object has no attribute 'shape'`
Traceback (most recent call last):

 "./sublime_jedi/utils.py", line 31, in run_in_active_view

 "./sublime_jedi/helper.py", line 45, in show_signatureValueError: zero length field name in format