Models: got an unexpected keyword argument "serialized_options", centos 7

[InomjonRamatov]

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---

System information

• What is the top-level directory of the model you are using:
• Have I written custom code (as opposed to using a stock example script provided in TensorFlow):
• OS Platform and Distribution (e.g., Linux Ubuntu 16.04):
• TensorFlow installed from (source or binary):
• TensorFlow version (use command below):
• Bazel version (if compiling from source):
• CUDA/cuDNN version:
• GPU model and memory:
• Exact command to reproduce:

You can collect some of this information using our environment capture script:

https://github.com/tensorflow/tensorflow/tree/master/tools/tf_env_collect.sh

You can obtain the TensorFlow version with

python -c "import tensorflow as tf; print(tf.GIT_VERSION, tf.VERSION)"

Describe the problem

Describe the problem clearly here. Be sure to convey here why it's a bug in TensorFlow or a feature request.

Source code / logs

Include any logs or source code that would be helpful to diagnose the problem. If including tracebacks, please include the full traceback. Large logs and files should be attached. Try to provide a reproducible test case that is the bare minimum necessary to generate the problem.

[InomjonRamatov]

how to fix the issue??? please help

[InomjonRamatov]

Traceback (most recent call last):
File "object_detection/builders/model_builder_test.py", line 21, in
from object_detection.builders import model_builder
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/builders/model_builder.py", line 17, in
from object_detection.builders import anchor_generator_builder
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/builders/anchor_generator_builder.py", line 21, in
from object_detection.protos import anchor_generator_pb2
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/protos/anchor_generator_pb2.py", line 15, in
from object_detection.protos import grid_anchor_generator_pb2 as object__detection_dot_protos_dot_grid__anchor__generator__pb2
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/protos/grid_anchor_generator_pb2.py", line 22, in
serialized_pb=_b('\n3object_detection/protos/grid_anchor_generator.proto\x12\x17object_detection.protos\"\xcd\x01\n\x13GridAnchorGenerator\x12\x13\n\x06height\x18\x01 \x01(\x05:\x03\x32\x35\x36\x12\x12\n\x05width\x18\x02 \x01(\x05:\x03\x32\x35\x36\x12\x19\n\rheight_stride\x18\x03 \x01(\x05:\x02\x31\x36\x12\x18\n\x0cwidth_stride\x18\x04 \x01(\x05:\x02\x31\x36\x12\x18\n\rheight_offset\x18\x05 \x01(\x05:\x01\x30\x12\x17\n\x0cwidth_offset\x18\x06 \x01(\x05:\x01\x30\x12\x0e\n\x06scales\x18\x07 \x03(\x02\x12\x15\n\raspect_ratios\x18\x08 \x03(\x02')
TypeError: __new__() got an unexpected keyword argument 'serialized_options'
(py35) [root@localhost research]#
(py35) [root@localhost research]# python object_detection/builders/model_builder_test.py
Traceback (most recent call last):
File "object_detection/builders/model_builder_test.py", line 21, in
from object_detection.builders import model_builder
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/builders/model_builder.py", line 17, in
from object_detection.builders import anchor_generator_builder
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/builders/anchor_generator_builder.py", line 21, in
from object_detection.protos import anchor_generator_pb2
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/protos/anchor_generator_pb2.py", line 15, in
from object_detection.protos import grid_anchor_generator_pb2 as object__detection_dot_protos_dot_grid__anchor__generator__pb2
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/protos/grid_anchor_generator_pb2.py", line 22, in
serialized_pb=_b('\n3object_detection/protos/grid_anchor_generator.proto\x12\x17object_detection.protos\"\xcd\x01\n\x13GridAnchorGenerator\x12\x13\n\x06height\x18\x01 \x01(\x05:\x03\x32\x35\x36\x12\x12\n\x05width\x18\x02 \x01(\x05:\x03\x32\x35\x36\x12\x19\n\rheight_stride\x18\x03 \x01(\x05:\x02\x31\x36\x12\x18\n\x0cwidth_stride\x18\x04 \x01(\x05:\x02\x31\x36\x12\x18\n\rheight_offset\x18\x05 \x01(\x05:\x01\x30\x12\x17\n\x0cwidth_offset\x18\x06 \x01(\x05:\x01\x30\x12\x0e\n\x06scales\x18\x07 \x03(\x02\x12\x15\n\raspect_ratios\x18\x08 \x03(\x02')
TypeError: __new__() got an unexpected keyword argument 'serialized_options'

[k-w-w]

I apologize, but I am having a hard time understanding what the problem is, where the problem is, and what version it affects. Please resubmit and pay attention to the issue template (https://github.com/tensorflow/tensorflow/issues/new). Please provide all the information it asks. Thank you.

[vivekbhadouria]

I too had this issue when I was compiling my protobuf with protoc version 3.5.x. But, when I changed my protoc version to 3.4.0, the problem vanished.

[Bahramudin]

@vivekbhadouria how did you install the 3.4.0, I also have the same problem with object-detection-api, which lower version not working and newer version also not working, I think the middle version will work, so I don't know how to install 3.4.0, now the installed version is 3.5.1, not working, I have installed it from source. Thanks!!

[vivekbhadouria]

@Bahramudin If I remember correctly then I first removed the protoc installed on my machine, then you install the required version i.e. 3.4.0.
Can you try below mentioned commands to install? I remember I noted these lines from SO but I forgot the link

# Grab the version you need
curl -OL https://github.com/google/protobuf/releases/download/v3.4.0/protoc-3.4.0-linux-x86_64.zip
# Unzip
unzip protoc-3.4.0-linux-x86_64.zip -d protoc3
# Move protoc to /usr/local/bin/
sudo mv protoc3/bin/* /usr/local/bin/
# Move protoc3/include to /usr/local/include/
sudo mv protoc3/include/* /usr/local/include/

After performing above steps, please run protoc --version to cross-check the installation. HTH

[Bahramudin]

@vivekbhadouria Thanks! problem has been solved by installing protobuf 3.4.0.

[keevee09]

pip install -U protobuf

worked for me. It updated protobuf to v3.6

[MuhammedBuyukkinaci]

pip install -U protobuf worked for me too. Thanks @keevee09 .

[roffel]

Thanks a lot @keevee09, it worked!

[Sawatdatta]

Do I need to rebuild tensorflow and install after upgrading to protobuf 3.6.0?

[sujaybabruwad]

make sure to compile the Protobuf libraries again @Sawatdatta

[JackShaw2333]

Why protoc 3.4.0 doesn't work for me? (win10)
I still get TypeError: __new__() got an unexpected keyword argument 'serialized_options'

[SenhorCastor]

Same here:

protoc --version
libprotoc 3.4.0

bazel build --config=opt //tensorflow/tools/pip_package:build_pip_package
...
...
INFO: Found 1 target...
ERROR: /Users/fernandomartin/projects/tensorflow/tensorflow/BUILD:581:1: Executing genrule //tensorflow:tensorflow_python_api_gen failed (Exit 1)
Traceback (most recent call last):
  File "/private/var/tmp/_bazel_fernandomartin/86a50f68aec4b46d60ac0b40b849c4a9/execroot/org_tensorflow/bazel-out/host/bin/tensorflow/create_tensorflow.python_api.runfiles/org_tensorflow/tensorflow/python/tools/api/generator/create_python_api.py", line 27, in <module>
    from tensorflow.python.tools.api.generator import doc_srcs
  File "/private/var/tmp/_bazel_fernandomartin/86a50f68aec4b46d60ac0b40b849c4a9/execroot/org_tensorflow/bazel-out/host/bin/tensorflow/create_tensorflow.python_api.runfiles/org_tensorflow/tensorflow/python/__init__.py", line 52, in <module>
    from tensorflow.core.framework.graph_pb2 import *
  File "/private/var/tmp/_bazel_fernandomartin/86a50f68aec4b46d60ac0b40b849c4a9/execroot/org_tensorflow/bazel-out/host/bin/tensorflow/create_tensorflow.python_api.runfiles/org_tensorflow/tensorflow/core/framework/graph_pb2.py", line 15, in <module>
    from tensorflow.core.framework import node_def_pb2 as tensorflow_dot_core_dot_framework_dot_node__def__pb2
  File "/private/var/tmp/_bazel_fernandomartin/86a50f68aec4b46d60ac0b40b849c4a9/execroot/org_tensorflow/bazel-out/host/bin/tensorflow/create_tensorflow.python_api.runfiles/org_tensorflow/tensorflow/core/framework/node_def_pb2.py", line 15, in <module>
    from tensorflow.core.framework import attr_value_pb2 as tensorflow_dot_core_dot_framework_dot_attr__value__pb2
  File "/private/var/tmp/_bazel_fernandomartin/86a50f68aec4b46d60ac0b40b849c4a9/execroot/org_tensorflow/bazel-out/host/bin/tensorflow/create_tensorflow.python_api.runfiles/org_tensorflow/tensorflow/core/framework/attr_value_pb2.py", line 15, in <module>
    from tensorflow.core.framework import tensor_pb2 as tensorflow_dot_core_dot_framework_dot_tensor__pb2
  File "/private/var/tmp/_bazel_fernandomartin/86a50f68aec4b46d60ac0b40b849c4a9/execroot/org_tensorflow/bazel-out/host/bin/tensorflow/create_tensorflow.python_api.runfiles/org_tensorflow/tensorflow/core/framework/tensor_pb2.py", line 15, in <module>
    from tensorflow.core.framework import resource_handle_pb2 as tensorflow_dot_core_dot_framework_dot_resource__handle__pb2
  File "/private/var/tmp/_bazel_fernandomartin/86a50f68aec4b46d60ac0b40b849c4a9/execroot/org_tensorflow/bazel-out/host/bin/tensorflow/create_tensorflow.python_api.runfiles/org_tensorflow/tensorflow/core/framework/resource_handle_pb2.py", line 22, in <module>
    serialized_pb=_b('\n/tensorflow/core/framework/resource_handle.proto\x12\ntensorflow\"r\n\x13ResourceHandleProto\x12\x0e\n\x06\x64\x65vice\x18\x01 \x01(\t\x12\x11\n\tcontainer\x18\x02 \x01(\t\x12\x0c\n\x04name\x18\x03 \x01(\t\x12\x11\n\thash_code\x18\x04 \x01(\x04\x12\x17\n\x0fmaybe_type_name\x18\x05 \x01(\tBn\n\x18org.tensorflow.frameworkB\x0eResourceHandleP\x01Z=github.com/tensorflow/tensorflow/tensorflow/go/core/framework\xf8\x01\x01\x62\x06proto3')
TypeError: __init__() got an unexpected keyword argument 'serialized_options'
Target //tensorflow/tools/pip_package:build_pip_package failed to build
Use --verbose_failures to see the command lines of failed build steps.
INFO: Elapsed time: 0.960s, Critical Path: 0.45s
INFO: 0 processes.
FAILED: Build did NOT complete successfully

macOs 10.13.16
python 2.7.13

[rahulbhalley]

@SenhorCastor Just uninstall and then reinstall the protobuf.

sudo pip uninstall protobuf
sudo pip install -U protobuf

For me this worked!

[hanlaoshi]

@SenhorCastor只需卸载然后重新安装protobuf即可。

sudo pip uninstall protobuf
sudo pip install -U protobuf

对我来说这很有效！

这对我来说还是不行

[Bahramudin]

@hanlaoshi Please write in English!!!!

[hanlaoshi]

This is still not work for me.

[rahulbhalley]

This is still not work for me.

@hanlaoshi What error are you getting?

[rahulbhalley]

@hanlaoshi Please write in English!!!!

@Bahramudin use deep learning to translate. @hanlaoshi said, "This is still not good for me". I used Google Translate. 😅

[wei-v-wang]

@hanlaoshi Try "sudo pip uninstall protobuf", then "pip install protobuf" without sudo.
In my case, protobuf was installed with default root account and I had to issue "pip uninstall" with and without sudo.
Then make sure you have one protobuf version (google/protobuf installed in TF installation directory).
If you have errors like below
"ImportError: No module named google.protobuf"
create a "__init__.py" under google directory.

Tested with TF v1.11 and needed the above workaround.

[Arlenmbx]

Why pip install -U protobuf is not useful for me?

[Arlenmbx]

Both tensorflow v1.10 and v1.11 have this problem. V1.8.0 works for me.

[loretoparisi]

I'm having the same issue with TF v1.8 and protobuf

(.env) ip-192-168-22-127:Wave-U-Net loretoparisi$ pip show protobuf
Name: protobuf
Version: 3.6.1
Summary: Protocol Buffers
Home-page: https://developers.google.com/protocol-buffers/
Author: None
Author-email: None
License: 3-Clause BSD License
Location: /Library/Python/2.7/site-packages
Requires: six, setuptools
Required-by: tensorflow, tensorboard

(.env) ip-192-168-22-127:Wave-U-Net loretoparisi$ pip show tensorflow
Name: tensorflow
Version: 1.12.0
Summary: TensorFlow is an open source machine learning framework for everyone.
Home-page: https://www.tensorflow.org/
Author: Google Inc.
Author-email: [email protected]
License: Apache 2.0
Location: /Library/Python/2.7/site-packages
Requires: enum34, keras-preprocessing, wheel, astor, backports.weakref, mock, tensorboard, termcolor, protobuf, gast, absl-py, grpcio, six, keras-applications, numpy
Required-by: 

env) ip-192-168-22-127:Wave-U-Net loretoparisi$ python Predict.py with cfg.baseline_stereo
Traceback (most recent call last):
  File "Predict.py", line 3, in <module>
    import Evaluate
  File "/Users/loretoparisi/Documents/Projects/AI/Wave-U-Net/Evaluate.py", line 2, in <module>
    import tensorflow as tf
  File "/Library/Python/2.7/site-packages/tensorflow/__init__.py", line 24, in <module>
    from tensorflow.python import pywrap_tensorflow  # pylint: disable=unused-import
  File "/Library/Python/2.7/site-packages/tensorflow/python/__init__.py", line 59, in <module>
    from tensorflow.core.framework.graph_pb2 import *
  File "/Library/Python/2.7/site-packages/tensorflow/core/framework/graph_pb2.py", line 15, in <module>
    from tensorflow.core.framework import node_def_pb2 as tensorflow_dot_core_dot_framework_dot_node__def__pb2
  File "/Library/Python/2.7/site-packages/tensorflow/core/framework/node_def_pb2.py", line 15, in <module>
    from tensorflow.core.framework import attr_value_pb2 as tensorflow_dot_core_dot_framework_dot_attr__value__pb2
  File "/Library/Python/2.7/site-packages/tensorflow/core/framework/attr_value_pb2.py", line 15, in <module>
    from tensorflow.core.framework import tensor_pb2 as tensorflow_dot_core_dot_framework_dot_tensor__pb2
  File "/Library/Python/2.7/site-packages/tensorflow/core/framework/tensor_pb2.py", line 15, in <module>
    from tensorflow.core.framework import resource_handle_pb2 as tensorflow_dot_core_dot_framework_dot_resource__handle__pb2
  File "/Library/Python/2.7/site-packages/tensorflow/core/framework/resource_handle_pb2.py", line 22, in <module>
    serialized_pb=_b('\n/tensorflow/core/framework/resource_handle.proto\x12\ntensorflow\"r\n\x13ResourceHandleProto\x12\x0e\n\x06\x64\x65vice\x18\x01 \x01(\t\x12\x11\n\tcontainer\x18\x02 \x01(\t\x12\x0c\n\x04name\x18\x03 \x01(\t\x12\x11\n\thash_code\x18\x04 \x01(\x04\x12\x17\n\x0fmaybe_type_name\x18\x05 \x01(\tBn\n\x18org.tensorflow.frameworkB\x0eResourceHandleP\x01Z=github.com/tensorflow/tensorflow/tensorflow/go/core/framework\xf8\x01\x01\x62\x06proto3')
TypeError: __init__() got an unexpected keyword argument 'serialized_options'

[lugq1990]

I also encounter this problem. For me use protobuf=3.6.0 will work(previous is 3.6.1).
pip install protobuf==3.6.0

[samiarja]

@SenhorCastor Just uninstall and then reinstall the protobuf.

sudo pip uninstall protobuf
sudo pip install -U protobuf

For me this worked! Thanksssssss

[yuanxiangxie]

I'm having the same issue with TF v1.8 and protobuf

(.env) ip-192-168-22-127:Wave-U-Net loretoparisi$ pip show protobuf
Name: protobuf
Version: 3.6.1
Summary: Protocol Buffers
Home-page: https://developers.google.com/protocol-buffers/
Author: None
Author-email: None
License: 3-Clause BSD License
Location: /Library/Python/2.7/site-packages
Requires: six, setuptools
Required-by: tensorflow, tensorboard

```
(.env) ip-192-168-22-127:Wave-U-Net loretoparisi$ pip show tensorflow
Name: tensorflow
Version: 1.12.0
Summary: TensorFlow is an open source machine learning framework for everyone.
Home-page: https://www.tensorflow.org/
Author: Google Inc.
Author-email: [email protected]
License: Apache 2.0
Location: /Library/Python/2.7/site-packages
Requires: enum34, keras-preprocessing, wheel, astor, backports.weakref, mock, tensorboard, termcolor, protobuf, gast, absl-py, grpcio, six, keras-applications, numpy
Required-by:

env) ip-192-168-22-127:Wave-U-Net loretoparisi$ python Predict.py with cfg.baseline_stereo
Traceback (most recent call last):
File "Predict.py", line 3, in
import Evaluate
File "/Users/loretoparisi/Documents/Projects/AI/Wave-U-Net/Evaluate.py", line 2, in
import tensorflow as tf
File "/Library/Python/2.7/site-packages/tensorflow/__init__.py", line 24, in
from tensorflow.python import pywrap_tensorflow # pylint: disable=unused-import
File "/Library/Python/2.7/site-packages/tensorflow/python/__init__.py", line 59, in
from tensorflow.core.framework.graph_pb2 import *
File "/Library/Python/2.7/site-packages/tensorflow/core/framework/graph_pb2.py", line 15, in
from tensorflow.core.framework import node_def_pb2 as tensorflow_dot_core_dot_framework_dot_node__def__pb2
File "/Library/Python/2.7/site-packages/tensorflow/core/framework/node_def_pb2.py", line 15, in
from tensorflow.core.framework import attr_value_pb2 as tensorflow_dot_core_dot_framework_dot_attr__value__pb2
File "/Library/Python/2.7/site-packages/tensorflow/core/framework/attr_value_pb2.py", line 15, in
from tensorflow.core.framework import tensor_pb2 as tensorflow_dot_core_dot_framework_dot_tensor__pb2
File "/Library/Python/2.7/site-packages/tensorflow/core/framework/tensor_pb2.py", line 15, in
from tensorflow.core.framework import resource_handle_pb2 as tensorflow_dot_core_dot_framework_dot_resource__handle__pb2
File "/Library/Python/2.7/site-packages/tensorflow/core/framework/resource_handle_pb2.py", line 22, in
serialized_pb=_b('n/tensorflow/core/framework/resource_handle.protox12ntensorflow"rnx13ResourceHandleProtox12x0enx06x64x65vicex18x01 x01(tx12x11ntcontainerx18x02 x01(tx12x0cnx04namex18x03 x01(tx12x11nthash_codex18x04 x01(x04x12x17nx0fmaybe_type_namex18x05 x01(tBnnx18org.tensorflow.frameworkBx0eResourceHandlePx01Z=github.com/tensorflow/tensorflow/tensorflow/go/core/frameworkxf8x01x01x62x06proto3')
TypeError: __init__() got an unexpected keyword argument 'serialized_options'
```

Hi，I have the same problem, but downgrade tensorflow to 1.9.0， and it worked

[Hikaon]

This is an issue with protobuf, read this comment please: https://github.com/protocolbuffers/protobuf/issues/4716#issuecomment-428293527

[iodncookie]

Traceback (most recent call last):
File "object_detection/builders/model_builder_test.py", line 21, in
from object_detection.builders import model_builder
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/builders/model_builder.py", line 17, in
from object_detection.builders import anchor_generator_builder
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/builders/anchor_generator_builder.py", line 21, in
from object_detection.protos import anchor_generator_pb2
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/protos/anchor_generator_pb2.py", line 15, in
from object_detection.protos import grid_anchor_generator_pb2 as object__detection_dot_protos_dot_grid__anchor__generator__pb2
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/protos/grid_anchor_generator_pb2.py", line 22, in
serialized_pb=_b('n3object_detection/protos/grid_anchor_generator.protox12x17object_detection.protos"xcdx01nx13GridAnchorGeneratorx12x13nx06heightx18x01 x01(x05:x03x32x35x36x12x12nx05widthx18x02 x01(x05:x03x32x35x36x12x19nrheight_stridex18x03 x01(x05:x02x31x36x12x18nx0cwidth_stridex18x04 x01(x05:x02x31x36x12x18nrheight_offsetx18x05 x01(x05:x01x30x12x17nx0cwidth_offsetx18x06 x01(x05:x01x30x12x0enx06scalesx18x07 x03(x02x12x15nraspect_ratiosx18x08 x03(x02')
TypeError: new() got an unexpected keyword argument 'serialized_options'
(py35) [root@localhost research]#
(py35) [root@localhost research]# python object_detection/builders/model_builder_test.py
Traceback (most recent call last):
File "object_detection/builders/model_builder_test.py", line 21, in
from object_detection.builders import model_builder
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/builders/model_builder.py", line 17, in
from object_detection.builders import anchor_generator_builder
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/builders/anchor_generator_builder.py", line 21, in
from object_detection.protos import anchor_generator_pb2
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/protos/anchor_generator_pb2.py", line 15, in
from object_detection.protos import grid_anchor_generator_pb2 as object__detection_dot_protos_dot_grid__anchor__generator__pb2
File "/root/anaconda3/envs/py35/lib/python3.5/site-packages/object_detection-0.1-py3.5.egg/object_detection/protos/grid_anchor_generator_pb2.py", line 22, in
serialized_pb=_b('n3object_detection/protos/grid_anchor_generator.protox12x17object_detection.protos"xcdx01nx13GridAnchorGeneratorx12x13nx06heightx18x01 x01(x05:x03x32x35x36x12x12nx05widthx18x02 x01(x05:x03x32x35x36x12x19nrheight_stridex18x03 x01(x05:x02x31x36x12x18nx0cwidth_stridex18x04 x01(x05:x02x31x36x12x18nrheight_offsetx18x05 x01(x05:x01x30x12x17nx0cwidth_offsetx18x06 x01(x05:x01x30x12x0enx06scalesx18x07 x03(x02x12x15nraspect_ratiosx18x08 x03(x02')
TypeError: new() got an unexpected keyword argument 'serialized_options'

pip install -U protobuf

[jainsanmati]

pip install -U protobuf worked for me too. Thanks @keevee09 .

[danintel]

You can either:

1. upgrade to Protobuf 3.6.0 or
2. hand delete the "serialized_options=None," argument from the generated *_pb2.py files.

[Usmaniatech]

Unityagents support protobuf==3.5.2 and unity mlagents supports protobuf>=3.6,<3.7
I require both unityagents and mlagents. How do I fix this

[siddhartha-mukherjee-india]

pip install -U protobuf

worked for me. It updated protobuf to v3.6

This worked for me too .. thank you for your help

[Usmaniatech]

Which version of ml-agents are you using ? @siddhartha-mukherjee-india

[harshaljaiswal]

pip install -U protobuf
Worked for me too.

[Usmaniatech]

pip install -U protobuf
Worked for me too.

Yes it works. But I was trying to work with greater version than 0.4.0 of MLAgents. It don't work their.

[TaDucToan]

pip install -U protobuf
It's work. thank you for your help

[estathop]

pip install -U protobuf

worked for me. It updated protobuf to v3.6

pip3 install -U protobuf

also worked for me, thank you a lot.