No seum counters now displayed at the bottom

.gitignore

 #Custom
 python3/
 seum/settings.py
+seum.json

README.md

 To launch or restart the server, simply run :
 
     sudo service apache2 restart
+
+### Backup data
+
+To backup the database, execute the command
+
+    python manage.py dumpdata --exclude contenttypes > seum.json
+
+You can then restore your data into a freshly migrated new database with
+
+    python manage.py loaddata seum.json

counter/views.py

     JSS_limit = 7
     maxJSS = 0
     bestSeumeursNumber = 15
-    # Display counters
     lastResets = []
-    # Calculates infos for each counter
-    timezero = timedelta(0)
+    no_seum_delta = timedelta.max
 
     # First select our counter
     try:
         if (lastReset.count() == 0):
             # This person never had the seum
             myCounter.lastReset = Reset()
-            myCounter.lastReset.delta = timezero
+            myCounter.lastReset.delta = no_seum_delta
             myCounter.lastReset.noSeum = True
         else:
             myCounter.lastReset = lastReset[0]
         if (lastReset.count() == 0):
             # This person never had the seum
             counter.lastReset = Reset()
-            counter.lastReset.delta = timezero
+            counter.lastReset.delta = no_seum_delta
             counter.lastReset.noSeum = True
             counter.CSSclass = "warning"
         else:

seum/settings.py.default

 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS = ['seum.merigoux.ovh']
-
-
 # Application definition
 
 INSTALLED_APPS = [
 CSRF_COOKIE_SECURE = True
 CSRF_COOKIE_HTTPONLY = True
 X_FRAME_OPTIONS = 'DENY'
+ALLOWED_HOSTS = ['seum.merigoux.ovh']
 
 
 #login