add ifdefs for non-python-compilation

GUI/View/SampleDesigner/SampleListView.cpp

@@ -192,11 +192,13 @@ void SampleListView::createSampleFromLibrary(const QString& classname, const QSt
 
 void SampleListView::importSampleFromPython()
 {
+#ifdef BORNAGAIN_PYTHON
     const QModelIndex newIndex = m_model->createSampleFromPython(m_document->materialModel());
     if (newIndex.isValid()) {
         setCurrentIndex(newIndex);
         m_document->setModified();
     }
+#endif
 }
 
 QList<QAction*> SampleListView::getOverlayActions(const QModelIndex& index, bool asHover)