module 'tensorflow' has no attribute 'contrib'

[ghost]

Traceback (most recent call last):
File "train.py", line 8, in
from model import DeepLab
File "C:\Users\DGRE\DeepLab-V3\model.py", line 6, in
from feature_extractor import MobileNet, Resnet, Vgg16
File "C:\Users\DGRE\DeepLab-V3\feature_extractor.py", line 2, in
from nets import resnet_v2
File "C:\Users\DGRE\DeepLab-V3\nets\resnet_v2.py", line 55, in
from nets import resnet_utils
File "C:\Users\DGRE\DeepLab-V3\nets\resnet_utils.py", line 43, in
slim = tf.contrib.slim
AttributeError: module 'tensorflow' has no attribute 'contrib'

[Vargha-Kh]

Use Tensorflow-gpu=1.15.0
requirement.txt will install tensorflow=2.4.0