def myComplexOperation(signal):    import numpy as np    a = np.array(arg1)    return a*2

        Runtime.PythonDLL = @"C:\Python38\python38.dll";        var pathToVirtualEnv = Path.GetFullPath(Path.Combine(Directory.GetCurrentDirectory(), @"..\..\..\venv"));        Console.WriteLine(pathToVirtualEnv);        string additional = $"{pathToVirtualEnv};{pathToVirtualEnv}\\Lib\\site-packages;{pathToVirtualEnv}\\Lib";        PythonEngine.PythonPath = PythonEngine.PythonPath + ";" + additional;        Console.WriteLine(PythonEngine.PythonPath);        PythonEngine.Initialize();        PythonEngine.BeginAllowThreads();        List<object> objParams = new List<object>();       objParams.Add(1+2j);  // Complex       objParams.Add(2+3j); // Complex             PyList myPyLst = new PyList();       for (int nPos = 0; nPos < objParams.Count; nPos++)       {           myPyLst.Append(objParams[nPos]);       }            PyObject[] pyParams = new PyObject[2];      pyParams[i] = myPyLst      var locals = new PyDict();      PythonEngine.Exec(cmd, null, locals);      var execFunc = locals.GetItem("myComplexOperation");    using (Py.GIL())    {        PyObject result;        result = execFunc.Invoke(pyParams);       // here is the problem:       // The code works when parameter is String (PyString), Integer (PyInt or PyFloat), PyList (strings, numerics)       // but not working when using a PyList with Complex number for Numpy operations.      // The return is empty         }