restrict __Pyx_PyList_Append() usage to listcomps as it does not handle the...

restrict __Pyx_PyList_Append() usage to listcomps as it does not handle the case of shrinking the list array

Cython/Utility/Optimize.c

 /////////////// append.proto ///////////////
-//@requires: InternalListAppend
 
 static CYTHON_INLINE PyObject* __Pyx_PyObject_Append(PyObject* L, PyObject* x) {
     if (likely(PyList_CheckExact(L))) {
-        if (unlikely(__Pyx_PyList_Append(L, x) < 0)) return NULL;
+        if (unlikely(PyList_Append(L, x) < 0)) return NULL;
         Py_INCREF(Py_None);
         return Py_None; /* this is just to have an accurate signature */
     } else {