Hi,
The bug is in python3-grpcio. Indeed, see this:
# python3
Python 3.13.12 (main, Feb 4 2026, 15:06:39) [GCC 15.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from grpc._cython import cygrpc
Traceback (most recent call last):
File "<python-input-0>", line 1, in <module>
from grpc._cython import cygrpc
File "/usr/lib/python3/dist-packages/grpc/__init__.py", line 22, in
<module>
from grpc import _compression
File "/usr/lib/python3/dist-packages/grpc/_compression.py", line 20,
in <module>
from grpc._cython import cygrpc
ImportError:
/usr/lib/python3/dist-packages/grpc/_cython/cygrpc.cpython-313-x86_64-linux-gnu.so:
undefined symbol:
_ZN4absl7debian716variant_internal21ThrowBadVariantAccessEv
>>> import grpc
Traceback (most recent call last):
File "<python-input-1>", line 1, in <module>
import grpc
File "/usr/lib/python3/dist-packages/grpc/__init__.py", line 22, in
<module>
from grpc import _compression
File "/usr/lib/python3/dist-packages/grpc/_compression.py", line 20,
in <module>
from grpc._cython import cygrpc
ImportError:
/usr/lib/python3/dist-packages/grpc/_cython/cygrpc.cpython-313-x86_64-linux-gnu.so:
undefined symbol:
_ZN4absl7debian716variant_internal21ThrowBadVariantAccessEv
Cheers,
Thomas Goirand (zigo)
