Error while importing detector on TRAIN_gluon_yolo3_darknet53_coco.ipynb

[venkatchintha]

when i ran import cell I am getting below error.

I tried to install other mxnet version also[ CUDA100=1.4.1]. still getting same error

from detector_prototype import Detector

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ImportError Traceback (most recent call last)
in ()
1
----> 2 from detector_prototype import Detector

/content/Monk_Object_Detection/1_gluoncv_finetune/lib/detector_prototype.py in ()
6 import mxnet as mx
7 from mxnet import autograd, gluon
----> 8 import gluoncv as gcv
9 from gluoncv.utils import download, viz
10 import pandas as pd

/usr/local/lib/python3.6/dist-packages/gluoncv/init.py in ()
10 _require_mxnet_version('1.4.0', '2.0.0')
11
---> 12 from . import data
13 from . import model_zoo
14 from . import nn

/usr/local/lib/python3.6/dist-packages/gluoncv/data/init.py in ()
29 from .sampler import SplitSampler, ShuffleSplitSampler
30 from .otb.tracking import OTBTracking
---> 31 from .kitti.kitti_dataset import KITTIRAWDataset, KITTIOdomDataset
32
33 datasets = {

/usr/local/lib/python3.6/dist-packages/gluoncv/data/kitti/init.py in ()
1 # pylint: disable=missing-module-docstring
----> 2 from .kitti_dataset import *
3 from .kitti_utils import *

/usr/local/lib/python3.6/dist-packages/gluoncv/data/kitti/kitti_dataset.py in ()
19
20 from ...utils.filesystem import try_import_skimage
---> 21 from .kitti_utils import generate_depth_map
22 from .mono_dataset import MonoDataset
23

/usr/local/lib/python3.6/dist-packages/gluoncv/data/kitti/kitti_utils.py in ()
10
11 import mxnet as mx
---> 12 from mxnet.util import is_np_array
13
14

ImportError: cannot import name 'is_np_array'

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link --- https://github.com/venkatchintha/ObjectDetection/blob/master/TRAIN_gluon_yolo3_darknet53_coco.ipynb

[abhi-kumar]

The issue is with the base library of gluoncv. The latest version of gluoncv has removed is_numpy_array utility. Switch down to gluoncv version 0.5 or 0.4; Mxnet version can be kept the same.