memory leak on embedded python in c++

[asdf3721]

why this line cause memory?
how do I solve it

void cyc()
{
Py_Initialize();


PyObject *pArgs = Py_BuildValue("idd",4,1.0,1.0);

Py_DECREF(pArgs);


Py_Finalize(); //memory leak why?
}

int main()
{
for(;;)
{cyc();}
}