diff --git a/ipykernel/tests/test_debugger.py b/ipykernel/tests/test_debugger.py
index ebc04a148..f6b6464f2 100644
--- a/ipykernel/tests/test_debugger.py
+++ b/ipykernel/tests/test_debugger.py
@@ -1,7 +1,7 @@
 import sys
 
-from IPython.core.display import HTML
 import pytest
+from IPython.core.display import HTML
 
 from .utils import TIMEOUT, get_reply, new_kernel