[Python] Converting between bytes and POINTER(c_ubyte)

How do I convert between bytes and POINTER(c_ubyte) in Python?

I want to pass a bytes object to a C function as a POINTER(c_ubyte) argument, and I want to work with a returned POINTER(c_ubyte) as bytes.

Right now I am using:

data = b'0123'
converted_to = ctypes.cast(data, ctypes.POINTER(ctypes.c_ubyte))
converted_from = bytes(converted_to)


This doesn't seem quite right. I get a warning in PyCharm on data in the converted_to line that says:

Expected type 'Union[_CData, _CArgObject]', got 'bytes' instead
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