Use Hamlib.rigerror2() to get the error message for the given error number

bindings/python/test_startup.py

@@ -31,7 +31,7 @@ class TestClass:
         assert my_rig.get_conf("retry") == '5'
 
         assert my_rig.error_status == Hamlib.RIG_OK
-        assert Hamlib.rigerror(my_rig.error_status) == "Command completed successfully\n"
+        assert Hamlib.rigerror2(my_rig.error_status) == "Command completed successfully\n"
 
         assert my_rig.set_freq(Hamlib.RIG_VFO_B, 5700000000) is None
         assert my_rig.set_vfo(Hamlib.RIG_VFO_B) is None