diff --git a/tests/test_utils_ask_yes_no.py b/tests/test_utils_ask_yes_no.py
index afe25868..a549be10 100644
--- a/tests/test_utils_ask_yes_no.py
+++ b/tests/test_utils_ask_yes_no.py
@@ -1,4 +1,4 @@
-import pytest 
+import pytest
 import sys
 import os
 sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))