From 7aa91454edd76f4cfca06e632cb47ee43255ab4e 2022-05-29 17:44:49
From: Blazej Michalik <6691643+MrMino@users.noreply.github.com>
Date: 2022-05-29 17:44:49
Subject: [PATCH] Merge pull request #13683 from genelkim/tbtools-debugger-cls-var-fix

Correct the debugger_cls() call to self.debugger_cls() call in TBTool
---

diff --git a/IPython/core/ultratb.py b/IPython/core/ultratb.py
index 8569791..5649a78 100644
--- a/IPython/core/ultratb.py
+++ b/IPython/core/ultratb.py
@@ -239,7 +239,7 @@ class TBTools(colorable.Colorable):
         self.debugger_cls = debugger_cls or debugger.Pdb
 
         if call_pdb:
-            self.pdb = debugger_cls()
+            self.pdb = self.debugger_cls()
         else:
             self.pdb = None