tvalentyn commented on code in PR #37822:
URL: https://github.com/apache/beam/pull/37822#discussion_r2932955415
##########
sdks/python/pyproject.toml:
##########
@@ -21,8 +21,7 @@
requires = [
"setuptools",
"wheel>=0.36.0",
- "grpcio-tools==1.62.1; python_version <= '3.12'",
Review Comment:
grpcio-tools==1.62.1 pulls in protobuf 4.
grpcio-tools==1.71.0 pulls in protobuf 5.
Stubs generated with protobuf 5 won't work with protobuf 4:
```
Successfully installed protobuf-4.25.8
(py310b) 10:58:26 ::python$ python
Python 3.10.19 (main, Jan 5 2026, 12:29:08) [GCC 14.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from google.protobuf import runtime_version
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: cannot import name 'runtime_version' from 'google.protobuf'
(/home/valentyn/.pyenv/versions/py310b/lib/python3.10/site-packages/google/protobuf/__init__.py)
```
so if any dependency causes installation of protobuf 4, for example, pip
install apache-beam[tft], beam stops working.
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