diff --git a/IPython/terminal/pt_inputhooks/__init__.py b/IPython/terminal/pt_inputhooks/__init__.py
index 8345ebe..6c752b1 100644
--- a/IPython/terminal/pt_inputhooks/__init__.py
+++ b/IPython/terminal/pt_inputhooks/__init__.py
@@ -114,6 +114,7 @@ def set_qt_api(gui):
             return None
         # Import it now so we can figure out which version it is.
         from IPython.external.qt_for_kernel import QT_API
+
         return qt_env2gui[QT_API]
 
 
diff --git a/IPython/terminal/tests/test_pt_inputhooks.py b/IPython/terminal/tests/test_pt_inputhooks.py
index 955db61..3f788c7 100644
--- a/IPython/terminal/tests/test_pt_inputhooks.py
+++ b/IPython/terminal/tests/test_pt_inputhooks.py
@@ -34,7 +34,7 @@ _get_qt_vers()
 )
 def test_inputhook_qt():
     # Choose the "best" Qt version.
-    gui_ret, _ = get_inputhook_name_and_func('qt')
+    gui_ret, _ = get_inputhook_name_and_func("qt")
 
     assert gui_ret != "qt"  # you get back the specific version that was loaded.
     assert gui_ret in guis_avail