commit 08da46e10f3fb49ecb2d69bc934667e5a352b2a7
author Terry Jan Reedy <tjreedy@udel.edu> Sun Oct 12 22:58:42 2014 -0400
committer Terry Jan Reedy <tjreedy@udel.edu> Sun Oct 12 22:58:42 2014 -0400
tree 6586ac27aace6144dbbfa3faf5b67559d96d81ac
parent c0dc65ef8da3fe2a6543643a5d9d96c7a618cc65

Issue #22614: Don't try to update deleted text.  Patch by Serhiy Storchaka.

Lib/idlelib/PyShell.py

diff --git a/Lib/idlelib/PyShell.py b/Lib/idlelib/PyShell.py
index 91e0e82..427d3ce 100755
--- a/Lib/idlelib/PyShell.py
+++ b/Lib/idlelib/PyShell.py
@@ -156,6 +156,9 @@
 
     def color_breakpoint_text(self, color=True):
         "Turn colorizing of breakpoint text on or off"
+        if self.io is None:
+            # possible due to update in restore_file_breaks
+            return
         if color:
             theme = idleConf.GetOption('main','Theme','name')
             cfg = idleConf.GetHighlight(theme, "break")