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-rwxr-xr-xDemo/tkinter/guido/electrons.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Demo/tkinter/guido/electrons.py b/Demo/tkinter/guido/electrons.py
index e3bf468..6079c04 100755
--- a/Demo/tkinter/guido/electrons.py
+++ b/Demo/tkinter/guido/electrons.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
# Simulate "electrons" migrating across the screen.
# An optional bitmap file in can be in the background.