Module 'tensorflow' has no attribute 'contrib'

Question

I am trying to train my own custom object detector using Tensorflow Object-Detection-API

I installed the tensorflow using "pip install tensorflow" in my google compute engine. Then I followed all the instructions on this site: https://tensorflow-object-detection-api-tutorial.readthedocs.io/en/latest/training.html

When I try to use train.py I am getting this error message:

Traceback (most recent call last): File "train.py", line 49, in from object_detection.builders import dataset_builder File "/usr/local/lib/python3.6/dist-packages/object_detection-0.1->py3.6.egg/object_detection/builders/dataset_builder.py", line 27, in from object_detection.data_decoders import tf_example_decoder File "/usr/local/lib/python3.6/dist-packages/object_detection-0.1-py3.6.egg/object_detection/data_decoders/tf_example_decoder.py", line 27, in slim_example_decoder = tf.contrib.slim.tfexample_decoder AttributeError: module 'tensorflow' has no attribute 'contrib'

Also I am getting different results when I try to learn version of tensorflow.

python3 -c 'import tensorflow as tf; print(tf.version)' : 2.0.0-dev20190422

and when I use

pip3 show tensorflow:

Name: tensorflow Version: 1.13.1 Summary: TensorFlow is an open source machine learning framework for everyone. Home-page: https://www.tensorflow.org/ Author: Google Inc. Author-email: opensource@google.com License: Apache 2.0 Location: /usr/local/lib/python3.6/dist-packages Requires: gast, astor, absl-py, tensorflow-estimator, keras-preprocessing, grpcio, six, keras-applications, wheel, numpy, tensorboard, protobuf, termcolor Required-by:

    sudo python3 train.py --logtostderr --train_dir=training/ -- 
    pipeline_config_path=training/ssd_inception_v2_coco.config

What should I do to solve this problem? I couldn't find anything about this error message except this: tensorflow 'module' object has no attribute 'contrib'

Can you please post a solution to this problem if you get it? I am still struggling. — Sanchit, Jan 20 '20 at 17:08

score 33 · Accepted Answer · answered Apr 26 '19 at 18:10

33

tf.contrib has moved out of TF starting TF 2.0 alpha.
Take a look at these tf 2.0 release notes https://github.com/tensorflow/tensorflow/releases/tag/v2.0.0-alpha0
You can upgrade your TF 1.x code to TF 2.x using the tf_upgrade_v2 script https://www.tensorflow.org/alpha/guide/upgrade

answered Apr 26 '19 at 18:10

mlneural03

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thanks a lot, I read tf 2.0 release notes, train.py still using contrib, it still not updated. I will use model_main.py – Ömer Çiftci Apr 26 '19 at 19:17
8

so I AM using model_main.py on a similar project... but I am still getting the same error... model_main contains references that end up referencing tf.contrib (from object_detection import model_lib -> from object_detection import eval_util -> slim = tf.contrib.slim) ... model_main references model_lib and model_lib references eval_util, which references tf.contrib.slim ... how do I resolve this? – eerick Oct 08 '19 at 22:58
3

@eerick - facing the same issue got any solution? – Unnikrishnan Nov 06 '19 at 17:02
My solution ended up being to run TF version 1.14 and everything works after that. – eerick Nov 06 '19 at 18:16

score 12 · Answer 2 · answered Aug 23 '19 at 16:00

This issue might be helpful for you, it explains how to achieve TPUStrategy, a popular functionality of tf.contrib in TF<2.0.

So, in TF 1.X you could do the following:

resolver = tf.contrib.cluster_resolver.TPUClusterResolver('grpc://' + os.environ['COLAB_TPU_ADDR'])
tf.contrib.distribute.initialize_tpu_system(resolver)
strategy = tf.contrib.distribute.TPUStrategy(resolver)

And in TF>2.0, where tf.contrib is deprecated, you achieve the same by:

tf.config.experimental_connect_to_host('grpc://' + os.environ['COLAB_TPU_ADDR'])
resolver = tf.distribute.cluster_resolver.TPUClusterResolver('grpc://' + os.environ['COLAB_TPU_ADDR'])
tf.tpu.experimental.initialize_tpu_system(resolver)
strategy = tf.distribute.experimental.TPUStrategy(resolver)

@SqueakyBeak I am not coding in R, so I am unaware of analogies for it, sorry — NeStack, May 05 '20 at 09:33

score 5 · Answer 3 · answered Aug 23 '19 at 17:50

5

I used google colab to run my models and everything was perfect untill i used inline tesorboard. With tensorboard inline, I had the same issue of "Module 'tensorflow' has no attribute 'contrib'".

It was able to run training when rebuild and reinstall the model using setup.py(research folder) after initialising tensorboard.

answered Aug 23 '19 at 17:50

Pawan Kumar

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It will be great if you can write steps. – ankitom Mar 11 '20 at 10:56
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" %tensorflow_version 1.x " -- run this code in a separate cell at the top of google colab, your old code will work like a charm – a3.14_Infinity Aug 31 '20 at 13:29

score 3 · Answer 4 · answered Apr 27 '19 at 10:57

3

I used tensorflow 1.8 to train my model and there is no problem for now. Tensorflow 2.0 alpha is not suitable with object detection API

answered Apr 27 '19 at 10:57

Ömer Çiftci

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score 3 · Answer 5 · answered Mar 01 '21 at 15:19

3

I'm using Google Colab as well. A comment suggested to put

%tensorflow_version 1.x

in the first (code) cell, and it worked!

answered Mar 01 '21 at 15:19

Julia

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score 3 · Answer 6 · answered Sep 21 '21 at 06:13

One easy way is you can pass your code written in TensorFlow 1.x to the below code to automatically upgrade it to TensorFlow 2.x.

$tf_upgrade_v2 \
--intree my_project/ \
--outtree my_project_v2/ \
--reportfile report.txt

The above code will replace all the commands which are deprecated in 2.x with the onces that are actually working in 2.x. And then you can run your code in TensorFlow 2.x.

In case if it throws an error and is unable to convert the complete code and then don't panic. Please open the "report.txt" file that is generated by the above code. In this file, you will find commands that are deprecated and their alternative commands that can be used in TensorFlow 2.x.

Taadaa, just replace the commands that are throwing errors with the new ones.

Example:

If the command in TensorFlow 1.x is:

tf.contrib

Then the same command in Tensorflow 2.x is:

tf.compat.v1.estimator

In the above example replace "tf.contrib" with "tf.compat.v1.estimator" and that should solve the problem.

score 0 · Answer 7 · answered Nov 20 '19 at 21:52

If you want to use tf.contrib, you need to now copy and paste the source code from github into your script/notebook. It's annoying and doesn't always work. But that's the only workaround I've found. For example, if you wanted to use tf.contrib.opt.AdamWOptimizer, you have to copy and paste from here. https://github.com/tensorflow/tensorflow/blob/590d6eef7e91a6a7392c8ffffb7b58f2e0c8bc6b/tensorflow/contrib/opt/python/training/weight_decay_optimizers.py#L32

score 0 · Answer 8 · answered Mar 09 '22 at 07:39

0

I face the same error and solve it by install python version 3.7 then i can install tensorflow 1.15 and it work.

answered Mar 09 '22 at 07:39

lyhourt Te

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Miguel Tomás · Answer 9 · 2021-09-09T13:50:54.937

-5

For me it worked using the latest release of tensorflow: pip install tensorflow==2.2.0

edited Sep 09 '21 at 13:50

answered Mar 16 '21 at 08:52

Miguel Tomás

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Module 'tensorflow' has no attribute 'contrib'

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