Traceback (most recent call last):


 "/usr/local/lib/python3.6/dist-packages/keras/utils/data_utils.py", line 578, in get

inputs = self.queue.get(block=True).get()


 "/usr/lib/python3.6/multiprocessing/pool.py", line 644, in get

raise self._value


 "/usr/lib/python3.6/multiprocessing/pool.py", line 119, in worker

result = (True, func(*args, **kwds))


 "/usr/local/lib/python3.6/dist-packages/keras/utils/data_utils.py", line 401, in get_index

return _SHARED_SEQUENCES[uid][i]


 "/content/drive/keras-yolo3/generator.py", line 73, in __getitem__

img, all_objs = self._aug_image(train_instance, net_h, net_w)


 "/content/drive/keras-yolo3/generator.py", line 160, in _aug_image

image = cv2.imread(image_name)[:,:,::-1] # RGB image
TypeError: 'NoneType' object is not subscriptable

Traceback (most recent call last):


 "python3-3.7.2-env/lib/python3.7/site-packages/numpy/lib/recfunctions.py", line 668, in rename_fields

return base.view(newdtype)


 "python3-3.7.2-env/lib/python3.7/site-packages/numpy/core/_internal.py", line 494, in _view_is_safe

raise TypeError("Cannot change data-type for object array.")
TypeError: Cannot change data-type for object array.
