1 files changed, 8 insertions, 7 deletions
diff --git a/tests/cpydiff/modules_os_environ.py b/tests/cpydiff/modules_os_environ.py
index db471a159..491d8a310 100644
--- a/tests/cpydiff/modules_os_environ.py
+++ b/tests/cpydiff/modules_os_environ.py
@@ -5,12 +5,13 @@ cause: Unknown
 workaround: Use ``getenv``, ``putenv`` and ``unsetenv``
 """
 import os
+
 try:
-    print(os.environ.get('NEW_VARIABLE'))
-    os.environ['NEW_VARIABLE'] = 'VALUE'
-    print(os.environ['NEW_VARIABLE'])
+    print(os.environ.get("NEW_VARIABLE"))
+    os.environ["NEW_VARIABLE"] = "VALUE"
+    print(os.environ["NEW_VARIABLE"])
 except AttributeError:
-    print('should not get here')
-    print(os.getenv('NEW_VARIABLE'))
-    os.putenv('NEW_VARIABLE', 'VALUE')
-    print(os.getenv('NEW_VARIABLE'))
+    print("should not get here")
+    print(os.getenv("NEW_VARIABLE"))
+    os.putenv("NEW_VARIABLE", "VALUE")
+    print(os.getenv("NEW_VARIABLE"))