[damned-lies/develop: 1/2] Upgrade Django version to 4.1

[Guillaume Bernard <gbernard src gnome org>]

commit c1f46ee391c4ef51e783dccc4c305fc7526497d6
Author: Claude Paroz <claude 2xlibre net>
Date:   Wed Sep 7 21:40:57 2022 +0200

    Upgrade Django version to 4.1

 damnedlies/settings.py | 1 -
 requirements.txt       | 2 +-
 vertimus/views.py      | 2 +-
 3 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/damnedlies/settings.py b/damnedlies/settings.py
index a51f30e3..c69ce388 100644
--- a/damnedlies/settings.py
+++ b/damnedlies/settings.py
@@ -55,7 +55,6 @@ LANGUAGES = global_settings.LANGUAGES + [
 ]
 
 USE_I18N = True
-USE_L10N = True
 LOCALE_PATHS = [BASE_DIR / 'locale']
 
 USE_TZ = True
diff --git a/requirements.txt b/requirements.txt
index 4ff2de70..f2191aca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-django~=4.0
+django~=4.1
 markdown~=3.2.2  # Team presentation markup rendering
 translate-toolkit>=2.2.0
 
diff --git a/vertimus/views.py b/vertimus/views.py
index b39dfaa8..7fd91a0b 100644
--- a/vertimus/views.py
+++ b/vertimus/views.py
@@ -80,7 +80,7 @@ def vertimus(request, branch, domain, language, stats=None, level="0"):
 
     # Get the sequence of the grandparent to know if exists a previous action
     # history
-    sequence_grandparent = state.get_action_sequence_from_level(level + 1)
+    sequence_grandparent = state.get_action_sequence_from_level(level + 1) if state.pk else None
     grandparent_level = level + 1 if sequence_grandparent else None
 
     action_form = None