diff --git a/pretalx_broadcast_tools/apps.py b/pretalx_broadcast_tools/apps.py
index 77ab4ac..4834890 100644
--- a/pretalx_broadcast_tools/apps.py
+++ b/pretalx_broadcast_tools/apps.py
@@ -1,5 +1,6 @@
 from django.apps import AppConfig
 from django.utils.translation import gettext_lazy
+
 from pretalx_broadcast_tools import __version__
 
 
diff --git a/pretalx_broadcast_tools/exporter.py b/pretalx_broadcast_tools/exporter.py
index 2c2d2bd..fcd87e1 100644
--- a/pretalx_broadcast_tools/exporter.py
+++ b/pretalx_broadcast_tools/exporter.py
@@ -17,7 +17,7 @@ from reportlab.platypus import (
     TableStyle,
 )
 
-from .utils.placeholders import placeholders
+from pretalx_broadcast_tools.utils.placeholders import placeholders
 
 A4_WIDTH, A4_HEIGHT = A4
 PAGE_PADDING = 10 * mm
diff --git a/pretalx_broadcast_tools/views/qr.py b/pretalx_broadcast_tools/views/qr.py
index 618b562..ec55d65 100644
--- a/pretalx_broadcast_tools/views/qr.py
+++ b/pretalx_broadcast_tools/views/qr.py
@@ -1,4 +1,4 @@
-from xml.etree import ElementTree as ET
+from xml.etree import ElementTree
 
 import qrcode
 import qrcode.image.svg
@@ -15,7 +15,7 @@ class BroadcastToolsFeedbackQrCodeSvg(View):
         image = qrcode.make(
             f"{domain}{talk.urls.feedback}", image_factory=qrcode.image.svg.SvgImage
         )
-        svg_data = mark_safe(ET.tostring(image.get_image()).decode())
+        svg_data = mark_safe(ElementTree.tostring(image.get_image()).decode())
         return HttpResponse(svg_data, content_type="image/svg+xml")
 
 
@@ -26,5 +26,5 @@ class BroadcastToolsPublicQrCodeSvg(View):
         image = qrcode.make(
             f"{domain}{talk.urls.public}", image_factory=qrcode.image.svg.SvgImage
         )
-        svg_data = mark_safe(ET.tostring(image.get_image()).decode())
+        svg_data = mark_safe(ElementTree.tostring(image.get_image()).decode())
         return HttpResponse(svg_data, content_type="image/svg+xml")