fix to keep rl_history the same after undo. a bit hacky so maybe find a better way one day

bobf · bobf · commit e46aefa808da · 2009-12-27T14:43:27.000Z
diff --git a/bpython/repl.py b/bpython/repl.py
@@ -666,9 +666,14 @@ def undo(self, n=1):
         if len(self.history) < n:
             n = len(self.history)
 
+        entries = list(self.rl_history.entries)
+
         self.history = self.history[:-n]
+
         self.reevaluate()
 
+        self.rl_history.entries = entries
+
     def reevaluate(self):
         """Clear the buffer, redraw the screen and re-evaluate the history"""
 
