[Python] vscode not autocompleting python from module made with pybind11

I have a python module named relatpy.cpython-38-x86_64-linux-gnu.so that I created using pybind11 with a custom made C++ library. When I import this module in the terminal using something like ipython I get functional autocompletion like the figure shows.



However in vscode I don't get any autocompletion, I just get the message Import "relatpy" could not be resolved. The python file that imports this module can still be run just fine in vscode, just no autocompletion.

Do I have to add this module to my PYTHONPATH or how do I go about doing this? This module is also rebuilt pretty often so is there a way to get autocompletion to work even if the module changes?

I'm using pylance as the python language server in vscode.

I created the pybind11 module using the following CMakeLists.txt:

project(relatpy)

find_package(pybind11 REQUIRED)

file(GLOB SOURCES "../relativity/src/*.cpp")
file(GLOB HEADERS "../relativity/include/*.h")
file(GLOB BINDINGS "*.cpp")

pybind11_add_module(${PROJECT_NAME} ${SOURCES} ${HEADERS} ${BINDINGS})

set_target_properties(${PROJECT_NAME} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${PYTHON_DIR})

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