'After making .pyd with cython I only can call the "Pyinit_" Function

I have a main.py with some simple functions. After making a .pyd with cython (using easycython), I try to call that pyd as dll in LabVIEW. LabVIEW only shows me the Pyinit_-Function. Maybe I missing something obvious but I can't find a solution.

Screnshot from LabVIEW after importing the .pyd: Screenshot from LabVIEW



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