from google.protobuf.pyext import _message → "TypeError: bases must be types"

[lijithomas88]

What version of protobuf and what language are you using?
Version: 4.25.1
Language: Python

What operating system (Linux, Windows, ...) and version?
Linux 4.14.251 aarch64 GNU/Linux (yocto distribution)

uname -a shows below output.
Linux PROCONNECT-00112B04341E 4.14.251 #1 SMP Mon Oct 25 13:18:52 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux

What runtime / compiler are you using (e.g., python version or gcc version)
Python 3.8.11
[GCC 9.3.0] on linux

What did you do?
I have installed protobuf using pip3 install protobuf==4.25.1.
Compiled my proto file using protoc-25.1-linux-aarch_64 downloaded from https://github.com/protocolbuffers/protobuf/releases/tag/v25.1.
On running my python script to read can message and convert to protobuf, I am getting below error message.

File "/usr/lib/python3.8/site-packages/google/protobuf/descriptor.py", line 17, in
from google.protobuf.internal import api_implementation
File "/usr/lib/python3.8/site-packages/google/protobuf/internal/api_implementation.py", line 81, in
from google.protobuf.pyext import _message
TypeError: bases must be types

Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

What did you expect to see

What did you see instead?

Make sure you include information that can help us debug (full error message, exception listing, stack trace, logs).

Anything else we should know about your project / environment

[anandolee]

Try to set the env PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION to 'upb' ?

[lijithomas88]

Above issue is not occuring after setting this. Thanks.

[lijithomas88]

closing the issue