TypeError: Expected int32, but got None of type 'NoneType'.

[Abhipray04]

I am getting the following error whenever I am going to train the model:

TypeError: in user code:

File "C:\Users\Abhipray\AppData\Local\Programs\Python\Python37\lib\site-packages\object_detection\inputs.py", line 886, in transform_and_pad_input_data_fn  *
    tensor_dict = pad_input_data_to_static_shapes(
File "C:\Users\Abhipray\AppData\Local\Programs\Python\Python37\lib\site-packages\object_detection\inputs.py", line 319, in transform_input_data  *
    out_tensor_dict[flds_gt_kpt_weights] = (
File "C:\Users\Abhipray\AppData\Local\Programs\Python\Python37\lib\site-packages\object_detection\core\keypoint_ops.py", line 349, in keypoint_weights_from_visibilities  *
    per_keypoint_weight_mult = tf.ones((1, num_keypoints,), dtype=tf.float32)

TypeError: Expected int32, but got None of type 'NoneType'.

@prabhakar-sivanesan I noticed that you have encountered with similar error; how did you address this issue?