Merge pull request #13246 from Carreau/dbgf

Fix debugger history outside of IPython.

IPython/terminal/debugger.py

@@ -73,7 +73,7 b' class TerminalPdb(Pdb):'
             message=(lambda: PygmentsTokens(get_prompt_tokens())),
             editing_mode=getattr(EditingMode, self.shell.editing_mode.upper()),
             key_bindings=create_ipython_shortcuts(self.shell),
-            history=self.shell.debugger_history,
+            history=self.debugger_history,
             completer=self._ptcomp,
             enable_history_search=True,
             mouse_support=self.shell.mouse_support,