[damned-lies] Convert archive-release command to Python 3

[Claude Paroz <claudep src gnome org>]

commit 792ec72308aa5cadce38ed9f9c4440c79d156a48
Author: Claude Paroz <claude 2xlibre net>
Date:   Sat Mar 25 11:46:56 2017 +0100

    Convert archive-release command to Python 3

 stats/management/commands/archive-release.py |   15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)
---
diff --git a/stats/management/commands/archive-release.py b/stats/management/commands/archive-release.py
index 1d2a30d..160457d 100644
--- a/stats/management/commands/archive-release.py
+++ b/stats/management/commands/archive-release.py
@@ -1,5 +1,6 @@
 import csv
-import StringIO
+from io import StringIO
+
 from django.core.management.base import BaseCommand, CommandError
 
 from stats.models import Release, Statistics
@@ -17,18 +18,20 @@ class Command(BaseCommand):
         except Release.DoesNotExist:
             raise CommandError("The release name '%s' is not known.\n" % options['release'])
 
-        out = StringIO.StringIO()
+        out = StringIO()
         headers = ['Module', 'Branch', 'Domain', 'Language', 'Translated', 'Fuzzy', 'Untranslated']
         writer = csv.DictWriter(out, headers)
         header = dict(zip(headers, headers))
         writer.writerow(header)
 
-        stats = Statistics.objects.filter(branch__category__release=release, 
language__isnull=False).select_related('branch__module', 'domain', 'language')
+        stats = Statistics.objects.filter(
+            branch__category__release=release, language__isnull=False
+            ).select_related('branch__module', 'domain', 'language')
         for stat in stats:
             row = {
-                'Module': stat.branch.module.name.encode('utf-8'),
-                'Branch': stat.branch.name.encode('utf-8'),
-                'Domain': stat.domain.name.encode('utf-8'),
+                'Module': stat.branch.module.name,
+                'Branch': stat.branch.name,
+                'Domain': stat.domain.name,
                 'Language': stat.language.locale,
                 'Translated': stat.translated(),
                 'Fuzzy': stat.fuzzy(),