adjusted formating in test_shortcuts.py

IPython/terminal/tests/test_shortcuts.py

@@ -12,7 +12,7 b' from IPython.terminal.shortcuts.auto_suggest import ('
     swap_autosuggestion_down,
 )
 from IPython.terminal.shortcuts.auto_match import skip_over
-from IPython.terminal.shortcuts import create_ipython_shortcuts,reset_search_buffer
+from IPython.terminal.shortcuts import create_ipython_shortcuts, reset_search_buffer
 
 from prompt_toolkit.history import InMemoryHistory
 from prompt_toolkit.buffer import Buffer