diff --git a/bookwyrm/templatetags/bookwyrm_tags.py b/bookwyrm/templatetags/bookwyrm_tags.py
index f1bd025d..30bb1d3f 100644
--- a/bookwyrm/templatetags/bookwyrm_tags.py
+++ b/bookwyrm/templatetags/bookwyrm_tags.py
@@ -223,4 +223,4 @@ def comparison_bool(str1, str2):
 def get_lang():
     """ get current language, strip to the first two letters """
     language = utils.translation.get_language()
-    return language[0:language.find('-')]
+    return language[0 : language.find('-')]