cannot import binding error

[jth3galv]

I have tried installing with pip and from source (even recompiling)

C code compile and works but I cannot import hnswlib library in python (3.9). I get:

ImportError: /home/giulio/anaconda3/lib/python3.9/site-packages/hnswlib.cpython-39-x86_64-linux-gnu.so: undefined symbol: _ZNSt15__exception_ptr13exception_ptr10_M_releaseEv