py3: ported Measure and TechDraw

src/Mod/TechDraw/App/DrawSVGTemplatePyImp.cpp

@@ -50,7 +50,11 @@ PyObject* DrawSVGTemplatePy::getEditFieldContent(PyObject* args)
     }
     std::string content = getDrawSVGTemplatePtr()->EditableTexts[fieldName];
     if (!content.empty()) {
+#if PY_MAJOR_VERSION < 3
         result = PyString_FromString(content.c_str());
+#else
+        result = PyUnicode_FromString(content.c_str());
+#endif
     }
     return result;
 }