diff --git a/aleksis/core/rules.py b/aleksis/core/rules.py
index 170829b6d62e60e96780de181756674d1187ce54..022fa11a00671a3acb0775c2229a378bd3981342 100644
--- a/aleksis/core/rules.py
+++ b/aleksis/core/rules.py
@@ -329,11 +329,7 @@ rules.add_perm("core.can_change_password", can_change_password_predicate)
 invite_enabled_predicate = is_site_preference_set(section="auth", pref="invite_enabled")
 rules.add_perm("core.invite_enabled", invite_enabled_predicate)
 
-can_invite_predicate = (
-    invite_enabled_predicate
-    & has_person
-    & has_global_perm("core.invite")
-)
+can_invite_predicate = invite_enabled_predicate & has_person & has_global_perm("core.invite")
 rules.add_perm("core.can_invite", can_invite_predicate)
 
 # OAuth2 permissions
diff --git a/aleksis/core/views.py b/aleksis/core/views.py
index 870ece0870a0d134a1a6c2b860cfc10cc92eadd7..fc32d75982a26e9fafbcd0f4a98e2b0569e585c4 100644
--- a/aleksis/core/views.py
+++ b/aleksis/core/views.py
@@ -1418,7 +1418,11 @@ class AccountRegisterView(SignupView):
     success_url = reverse_lazy("index")
 
     def dispatch(self, request, *args, **kwargs):
-        if not request.user.has_perm("core.can_register") and not request.session.get("account_verified_email") and not request.session.get("invitation_code_entered"):
+        if (
+            not request.user.has_perm("core.can_register")
+            and not request.session.get("account_verified_email")
+            and not request.session.get("invitation_code_entered")
+        ):
             raise PermissionDenied()
         return super(AccountRegisterView, self).dispatch(request, *args, **kwargs)
 
@@ -1462,7 +1466,7 @@ class InvitePersonByID(PermissionRequiredMixin, SingleObjectMixin, View):
 
 
 class InviteDisabledView(PermissionRequiredMixin, TemplateView):
-    """View to display a notice that the invite feature is disabled and how to enable it. """
+    """View to display a notice that the invite feature is disabled and how to enable it."""
 
     template_name = "invitations/disabled.html"
     permission_required = "core.change_site_preferences_rule"