commit c59295a1ca304f37ca136dd7efca9e560db27d28
author Terry Jan Reedy <tjreedy@udel.edu> Mon Sep 09 23:10:44 2019 -0400
committer GitHub <noreply@github.com> Mon Sep 09 23:10:44 2019 -0400
tree 48ee6d3d87dc9d626ad61ad69fbb092ae0f06eb1
parent b5381f669718aa19690f42f3b8bd88f03045b9d2

bpo-38077: IDLE no longer adds 'argv' to the user namespace (GH-15818)

This only happened when initializing the subprocess to run a module.
This recent bug only affected 3.7.4 and 3.8.0b2 to 3.8.0b4.

Lib/idlelib/runscript.py

diff --git a/Lib/idlelib/runscript.py b/Lib/idlelib/runscript.py
index f97cf52..de73bf8 100644
--- a/Lib/idlelib/runscript.py
+++ b/Lib/idlelib/runscript.py
@@ -164,7 +164,7 @@
                 _sys.argv = argv
             import os as _os
             _os.chdir({dirname!r})
-            del _sys, _basename, _os
+            del _sys, argv, _basename, _os
             \n""")
         interp.prepend_syspath(filename)
         # XXX KBK 03Jul04 When run w/o subprocess, runtime warnings still