working, passing tests in django 3.2

rowers/tests/test_aworkouts.py

@@ -9,7 +9,7 @@ from django.db import transaction
 nu = datetime.datetime.now()
 
 from django.core.files import File
-from django.utils.six import BytesIO
+from io import BytesIO
 
 from PIL import Image
 from io import StringIO