我一直在研究用于物体检测的keras yolov3模型。此错误不断出现。 这是错误：

AttributeError: module 'tensorflow.python.keras.backend' has no attribute 'get_graph'

我不知道该怎么办。我试过将“ import keras.module.module”替换为“ tensorflow.keras.module.module”。但这仍然行不通。

完整的输出代码：

runfile('G:/Traffic Violation Detection/object_detection.py',wdir='G:/Traffic Violation Detection')
Using TensorFlow backend.
Traceback (most recent call last):

  File "<ipython-input-3-0715decb6662>",line 1,in <module>
    runfile('G:/Traffic Violation Detection/object_detection.py',wdir='G:/Traffic Violation Detection')

  File "C:\Users\HP-NPC\Anaconda3\envs\virtual_platform\lib\site-packages\spyder\utils\site\sitecustomize.py",line 710,in runfile
    execfile(filename,namespace)

  File "C:\Users\HP-NPC\Anaconda3\envs\virtual_platform\lib\site-packages\spyder\utils\site\sitecustomize.py",line 101,in execfile
    exec(compile(f.read(),filename,'exec'),namespace)

  File "G:/Traffic Violation Detection/object_detection.py",line 6,in <module>
    from keras.layers.merge import add,concatenate

  File "C:\Users\HP-NPC\Anaconda3\envs\virtual_platform\lib\site-packages\keras\__init__.py",line 3,in <module>
    from . import utils

  File "C:\Users\HP-NPC\Anaconda3\envs\virtual_platform\lib\site-packages\keras\utils\__init__.py",in <module>
    from . import conv_utils

  File "C:\Users\HP-NPC\Anaconda3\envs\virtual_platform\lib\site-packages\keras\utils\conv_utils.py",line 9,in <module>
    from .. import backend as K

  File "C:\Users\HP-NPC\Anaconda3\envs\virtual_platform\lib\site-packages\keras\backend\__init__.py",in <module>
    from .load_backend import epsilon

  File "C:\Users\HP-NPC\Anaconda3\envs\virtual_platform\lib\site-packages\keras\backend\load_backend.py",line 90,in <module>
    from .tensorflow_backend import *

  File "C:\Users\HP-NPC\Anaconda3\envs\virtual_platform\lib\site-packages\keras\backend\tensorflow_backend.py",line 54,in <module>
    get_graph = tf_keras_backend.get_graph

AttributeError: module 'tensorflow.python.keras.backend' has no attribute 'get_graph'

我的进口商品：

import numpy as np
from tensorflow.keras.layers import Conv2D,Input,BatchNormalization,LeakyReLU,ZeroPadding2D,UpSampling2D
from keras.layers.merge import add,concatenate
from tensorflow.keras.models import Model
import struct
import cv2
import imageio

有关完整代码，请访问：https://colab.research.google.com/drive/1oVR7swBqjfqxR50C3xt89w1vGEAaTFcK#scrollTo=rpSn_HsUHbGF