Renamed PyString to PyBytes
diff --git a/Doc/includes/run-func.c b/Doc/includes/run-func.c
index 5a7df0d..1b7c942 100644
--- a/Doc/includes/run-func.c
+++ b/Doc/includes/run-func.c
@@ -13,7 +13,7 @@
     }
 
     Py_Initialize();
-    pName = PyString_FromString(argv[1]);
+    pName = PyBytes_FromString(argv[1]);
     /* Error checking of pName left out */
 
     pModule = PyImport_Import(pName);