diff --git a/competition/models.py b/competition/models.py
index d6fc86a..e48e65f 100644
--- a/competition/models.py
+++ b/competition/models.py
@@ -403,8 +403,8 @@ class Meta:
 
     def __str__(self):
         return f'{self.series.semester.competition.name}-{self.series.semester.year}' \
-            f'-{self.series.semester.season[0]
-                }S-S{self.series.order} - {self.order}. úloha'
+            f'-{self.series.semester.season[0]}S-S{self.series.order}'\
+            f' - {self.order}. úloha'
 
     def get_stats(self):
         stats = {}
diff --git a/competition/views.py b/competition/views.py
index 41c0b9b..4356205 100644
--- a/competition/views.py
+++ b/competition/views.py
@@ -847,8 +847,8 @@ def download_publication(self, request, pk=None):
         publication = self.get_object()
         response = HttpResponse(
             publication.file, content_type=mime_type(publication.file))
-        response['Content-Disposition'] = f'attachment; filename="{
-            publication.name}"'
+        response['Content-Disposition'] = f'attachment; '\
+            f'filename="{publication.name}"'
         return response
 
     @action(methods=['post'], detail=False, url_path='upload', permission_classes=[IsAdminUser])