Kill execfile(), use exec() instead
diff --git a/Tools/versioncheck/checkversions.py b/Tools/versioncheck/checkversions.py
index 27c16e7..ccb544d 100644
--- a/Tools/versioncheck/checkversions.py
+++ b/Tools/versioncheck/checkversions.py
@@ -26,7 +26,7 @@
     if CHECKNAME in files:
         fullname = os.path.join(dir, CHECKNAME)
         try:
-            execfile(fullname)
+            exec(open(fullname).read())
         except:
             print('** Exception in', fullname)