message: Actually fix TfLiteDelegate* pointer<->long interop
  Use PyLong_AsVoidPtr.
diff: @@ -26,10 +26,7 @@ limitations under the License.
  %typemap(in) TfLiteDelegate* {
  - auto pointer_as_long = PyLong_AsLong($input);
  - static_assert(sizeof(pointer_as_long)>=sizeof(TfLiteDelegate*),
  - "TFLiteDelegate must be representable as a long.");
  - $1 = reinterpret_cast<TfLiteDelegate*>(pointer_as_long);
  + $1 = reinterpret_cast<TfLiteDelegate*>(PyLong_AsVoidPtr($input));
  }
  