[Python] Python GF bindings error: "symbol not found in flat namespace '_gu_null_variant'"

I'm trying to use the Grammatical Framework (GF) Python bindings package but keep getting this error on my M1 Mac:

Traceback (most recent call last):
File "wrapper.py", line 1, in <module>
import pgf
ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/pgf.cpython-311-darwin.so, 0x0002): symbol not found in flat namespace '_gu_null_variant'


Does anyone know how to resolve this?

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