
Traceback (most recent call last):


 "/anaconda3/lib/python3.6/site-packages/tornado/web.py", line 1469, in _execute

result = yield result


 "/anaconda3/lib/python3.6/site-packages/jupyterhub/handlers/login.py", line 94, in post

yield self.spawn_single_user(user)


 "/anaconda3/lib/python3.6/site-packages/jupyterhub/handlers/base.py", line 475, in spawn_single_user

yield gen.with_timeout(timedelta(seconds=self.slow_spawn_timeout), finish_spawn_future)


 "/anaconda3/lib/python3.6/site-packages/jupyterhub/handlers/base.py", line 445, in finish_user_spawn

yield spawn_future


 "/anaconda3/lib/python3.6/site-packages/jupyterhub/user.py", line 439, in spawn

raise e


 "/anaconda3/lib/python3.6/site-packages/jupyterhub/user.py", line 378, in spawn

ip_port = yield gen.with_timeout(timedelta(seconds=spawner.start_timeout), f)


 "/anaconda3/lib/python3.6/site-packages/sudospawner/spawner.py", line 92, in start

reply = yield self.do(action='spawn', args=self.get_args(), env=self.get_env())


 "/anaconda3/lib/python3.6/site-packages/sudospawner/spawner.py", line 80, in do

data_str = data_str[data_str.index('{'):data_str.rindex('}')+1]

ValueError: substring not found

Traceback (most recent call last):


 "yolo3_one_file_to_detect_them_all.py", line 434, in <module>

_main_(args)


 "yolo3_one_file_to_detect_them_all.py", line 421, in _main_

correct_yolo_boxes(boxes, image_h, image_w, net_h, net_w)


 "yolo3_one_file_to_detect_them_all.py", line 334, in correct_yolo_boxes

boxes[i].xmin = int((boxes[i].xmin - x_offset) / x_scale * image_w)
ValueError: cannot convert float NaN to integer