diff --git a/pretalx_lower_thirds/forms.py b/pretalx_lower_thirds/forms.py
index 012eb79..89f8ea1 100644
--- a/pretalx_lower_thirds/forms.py
+++ b/pretalx_lower_thirds/forms.py
@@ -6,8 +6,7 @@ from i18nfield.forms import I18nFormField, I18nFormMixin, I18nTextInput
 class LowerThirdsSettingsForm(I18nFormMixin, HierarkeyForm):
     lower_thirds_no_talk_info = I18nFormField(
         help_text=_(
-            "Will be shown as talk title if there's currently no talk "
-            "running."
+            "Will be shown as talk title if there's currently no talk running."
         ),
         label=_('"no talk running" information'),
         widget=I18nTextInput,
diff --git a/pretalx_lower_thirds/signals.py b/pretalx_lower_thirds/signals.py
index c38e7f5..59245d4 100644
--- a/pretalx_lower_thirds/signals.py
+++ b/pretalx_lower_thirds/signals.py
@@ -1,6 +1,7 @@
 from django.dispatch import receiver
 from django.urls import resolve, reverse
-from django.utils.translation import gettext_noop, ugettext_lazy as _
+from django.utils.translation import gettext_noop
+from django.utils.translation import ugettext_lazy as _
 from i18nfield.strings import LazyI18nString
 from pretalx.common.models.settings import hierarkey
 from pretalx.orga.signals import nav_event_settings
diff --git a/pretalx_lower_thirds/views.py b/pretalx_lower_thirds/views.py
index 2edbc6f..6f45603 100644
--- a/pretalx_lower_thirds/views.py
+++ b/pretalx_lower_thirds/views.py
@@ -5,9 +5,7 @@ from django.http import JsonResponse
 from django.views.generic import FormView
 from django.views.generic.base import TemplateView
 from pretalx.agenda.views.schedule import ScheduleMixin
-from pretalx.common.mixins.views import (
-    EventPermissionRequired, PermissionRequired,
-)
+from pretalx.common.mixins.views import EventPermissionRequired, PermissionRequired
 from pretalx.schedule.exporters import ScheduleData
 
 from .forms import LowerThirdsSettingsForm
@@ -57,8 +55,7 @@ class ScheduleView(EventPermissionRequired, ScheduleMixin, TemplateView):
                 "conference": {
                     "slug": schedule.event.slug,
                     "name": str(schedule.event.name),
-                    "no_talk": str(
-                        schedule.event.settings.lower_thirds_no_talk_info),
+                    "no_talk": str(schedule.event.settings.lower_thirds_no_talk_info),
                 },
                 "rooms": sorted(
                     {
@@ -71,10 +68,9 @@ class ScheduleView(EventPermissionRequired, ScheduleMixin, TemplateView):
                     {
                         "id": talk.submission.id,
                         "start": talk.start.astimezone(tz).isoformat(),
-                        "end": (
-                            talk.start +
-                            dt.timedelta(minutes=talk.duration)
-                        ).astimezone(tz).isoformat(),
+                        "end": (talk.start + dt.timedelta(minutes=talk.duration))
+                        .astimezone(tz)
+                        .isoformat(),
                         "slug": talk.frab_slug,
                         "title": talk.submission.title,
                         "persons": sorted(