diff --git a/IPython/terminal/interactiveshell.py b/IPython/terminal/interactiveshell.py
index 4d3291f..684b434 100644
--- a/IPython/terminal/interactiveshell.py
+++ b/IPython/terminal/interactiveshell.py
@@ -12,20 +12,20 @@ from IPython.utils.py3compat import input
 from IPython.utils.terminal import toggle_set_term_title, set_term_title, restore_term_title
 from IPython.utils.process import abbrev_cwd
 from traitlets import (
+    Any,
     Bool,
-    Unicode,
     Dict,
+    Enum,
+    Float,
+    Instance,
     Integer,
     List,
-    observe,
-    Instance,
     Type,
-    default,
-    Enum,
+    Unicode,
     Union,
-    Any,
+    default,
+    observe,
     validate,
-    Float,
 )
 
 from prompt_toolkit.auto_suggest import AutoSuggestFromHistory