Merge pull request #12008 from meeseeksmachine/auto-backport-of-pr-12007-on-7.10.x

Backport PR  #12007 on branch 7.10.x (Fix the right inputhook)

IPython/terminal/debugger.py

@@ -66,7 +66,7 b' class TerminalPdb(Pdb):'
         )
 
         if not PTK3:
-            options['inputhook'] = self.inputhook
+            options['inputhook'] = self.shell.inputhook
         self.pt_app = PromptSession(**options)
 
     def cmdloop(self, intro=None):

IPython/terminal/interactiveshell.py

@@ -438,7 +438,7 b' class TerminalInteractiveShell(InteractiveShell):'
                             Condition(lambda: self.highlight_matching_brackets))],
                 }
         if not PTK3:
-            options['inputhook'] = self.shell.inputhook
+            options['inputhook'] = self.inputhook
 
         return options