--- a/config/BuildSystem/script.orig.py	2020-03-30 05:33:12.000000000 +0200
+++ b/config/BuildSystem/script.py	2020-06-05 16:17:25.613146440 +0200
@@ -236,7 +236,7 @@
         thread = InShell()
         thread.start()
         thread.join(timeout)
-        if thread.isAlive():
+        if thread.is_alive():
           error = 'Runaway process exceeded time limit of '+str(timeout)+'\n'
           log.write(error)
           return ('', error, -1)