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IPython/terminal/interactiveshell.py

@@ -915,10 +915,14 b' class TerminalInteractiveShell(InteractiveShell):'
     active_eventloop = None
     def enable_gui(self, gui=None):
         if self.simple_prompt is True and gui is not None:
-            print(f"Cannot install event loop hook for \"{gui}\" when running with `--simple-prompt`.")
-            print("NOTE: Tk is supported natively; use Tk apps and Tk backends with `--simple-prompt`.")
+            print(
+                f'Cannot install event loop hook for "{gui}" when running with `--simple-prompt`.'
+            )
+            print(
+                "NOTE: Tk is supported natively; use Tk apps and Tk backends with `--simple-prompt`."
+            )
             return
-        
+
         if self._inputhook is None and gui is None:
             print("No event loop hook running.")
             return