Add Django translation alias compatibility shim

mandelstudio/main.py

@@ -2,8 +2,22 @@ import os
 import sys
 
 
+def _patch_legacy_django_translation_aliases():
+    from django.utils import translation
+
+    if not hasattr(translation, "ugettext_lazy"):
+        translation.ugettext_lazy = translation.gettext_lazy
+    if not hasattr(translation, "ugettext"):
+        translation.ugettext = translation.gettext
+    if not hasattr(translation, "ungettext"):
+        translation.ungettext = translation.ngettext
+    if not hasattr(translation, "ungettext_lazy"):
+        translation.ungettext_lazy = translation.ngettext_lazy
+
+
 def main():
     os.environ.setdefault("DJANGO_SETTINGS_MODULE", "mandelstudio.settings.base")
+    _patch_legacy_django_translation_aliases()
     from django.core.management import execute_from_command_line
 
     execute_from_command_line(sys.argv)