style: fix code style

pretalx_musicrate/signals.py

@@ -12,9 +12,11 @@ def pretalx_musicrate_placeholders(sender, **kwargs):
         SimpleFunctionalMailTextPlaceholder(
             "assignee",
             ["submission"],
-            lambda submission: assignee.user.name
+            lambda submission: (
+                assignee.user.name
                 if (assignee := submission.assignee) is not None
-            else "Günther",
+                else "Günther"
+            ),
             "Günther",
             _("The name of the submission's assignee"),
         )

pretalx_musicrate/views.py

@@ -323,6 +323,7 @@ class PresenterView(EventPermissionRequired, SubmissionMixin, TemplateView):
                 links.append(
                     (
                         "youtube",
+                        (
                             url.removeprefix("http")
                             .removeprefix("s")
                             .removeprefix("://")
@@ -330,6 +331,7 @@ class PresenterView(EventPermissionRequired, SubmissionMixin, TemplateView):
                             if m[1] == "youtu.be/"
                             else "".join(
                                 parse_qs(urlparse(url).query).get("v", "dQw4w9WgXcQ")
+                            )
                         ),
                     )
                 )