diff --git a/passbook/stages/otp_time/stage.py b/passbook/stages/otp_time/stage.py
index 1dae7ffd0..faec496ee 100644
--- a/passbook/stages/otp_time/stage.py
+++ b/passbook/stages/otp_time/stage.py
@@ -1,11 +1,11 @@
 """TOTP Setup stage"""
 from typing import Any, Dict
 
-import lxml.etree as ET  # nosec
 from django.http import HttpRequest, HttpResponse
 from django.utils.encoding import force_text
 from django.views.generic import FormView
 from django_otp.plugins.otp_totp.models import TOTPDevice
+from lxml.etree import tostring  # nosec
 from qrcode import QRCode
 from qrcode.image.svg import SvgFillImage
 from structlog import get_logger
@@ -35,7 +35,7 @@ class OTPTimeStageView(FormView, StageView):
         """Get QR Code SVG as string based on `device`"""
         qr_code = QRCode(image_factory=SvgFillImage)
         qr_code.add_data(device.config_url)
-        return force_text(ET.tostring(qr_code.make_image().get_image()))
+        return force_text(tostring(qr_code.make_image().get_image()))
 
     def get(self, request: HttpRequest, *args, **kwargs) -> HttpResponse:
         user = self.executor.plan.context.get(PLAN_CONTEXT_PENDING_USER)