py3: change of getattr -> getattro

issue 0000995

src/App/FeaturePythonPyImp.h

@@ -101,10 +101,10 @@ public:
 
     /** @name callbacks and implementers for the python object methods */
     //@{
-    static  int __setattr(PyObject *PyObj, char *attr, PyObject *value);
+    static  int __setattro(PyObject *PyObj, PyObject *attro, PyObject *value);
     //@}
-    PyObject *_getattr(char *attr);              // __getattr__ function
-    int _setattr(char *attr, PyObject *value);        // __setattr__ function
+    PyObject *_getattro(PyObject *attr);              // __getattr__ function
+    int _setattro(PyObject *attro, PyObject *value);        // __setattr__ function
 
 protected:
     PyObject * dict_methods;