nm -D /home/gnthibault/projects/RemoteObservatory/venv/lib/python3.7/site-packages/_PyIndi.cpython-37m-x86_64-linux-gnu.so | grep IUSaveConfigText
U IUSaveConfigText
The sybol seems undefined here. But you can find it in
nm -D /usr/lib/x86_64-linux-gnu/libindidriver.so | grep IUSaveConfigText
0000000000035dd3 T IUSaveConfigText
But not much in the static client library:
nm /usr/lib/x86_64-linux-gnu/libindiclient.a | grep Save
0000000000002821 T IUSaveText
U IUSaveText
U IUSaveText