Ticket #10335: tzinfo-getdefaultencoding-only-if-unchanged-fails.patch

django/utils/tzinfo.py

@@ -4 +4 @@
 import time
 from datetime import timedelta, tzinfo
 from django.utils.encoding import smart_unicode
+import sys
+from encodings import codecs
 
 try:
     DEFAULT_ENCODING = locale.getdefaultlocale()[1] or 'ascii'
+    try:
+        codecs.getdecoder(DEFAULT_ENCODING)
+    except LookupError:
+        DEFAULT_ENCODING = sys.getdefaultencoding() or 'ascii'
 except:
     # Any problems at all determining the locale and we fallback. See #5846.
     DEFAULT_ENCODING = 'ascii'