Flake8 is annoying.

Signed-off-by: Cliff Hill <clifford.hill@gsa.gov>

app/main/views/sign_in.py

@@ -25,7 +25,7 @@ from app.main.views.verify import activate_user
 from app.models.user import User
 from app.utils import hide_from_search_engines
 from app.utils.login import get_id_token, is_safe_redirect_url
-from app.utils.time import is_less_than_days_ago
+# from app.utils.time import is_less_than_days_ago
 from app.utils.user import is_gov_user
 from notifications_utils.url_safe_token import generate_token