Issue #24972: New option is only valid in tk 8.5+.

d3517069 · Terry Jan Reedy · 507a5c4b · d3517069
Commit d3517069 authored Sep 28, 2015 by Terry Jan Reedy
Hide whitespace changes
Inline Side-by-side

Showing with 3 additions and 1 deletion

Lib/idlelib/EditorWindow.py Lib/idlelib/EditorWindow.py +3 -1

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--- a/Lib/idlelib/EditorWindow.py
+++ b/Lib/idlelib/EditorWindow.py
@@ -755,8 +755,10 @@ class EditorWindow(object):
            insertbackground=cursor_color,
            selectforeground=select_colors['foreground'],
            selectbackground=select_colors['background'],
-            inactiveselectbackground=select_colors['background'],
            )
+        if TkVersion >= 8.5:
+            self.text.config(
+                inactiveselectbackground=select_colors['background'])

    IDENTCHARS = string.ascii_letters + string.digits + "_"