--- a/candolint/handlers.py	Tue Nov 28 11:55:40 2017 +0800
+++ b/candolint/handlers.py	Tue Nov 28 11:56:47 2017 +0800
@@ -116,6 +116,23 @@
 
 
 class AtomHandler(BaseHandler):
+    def get_check_status(self, check):
+        if not check.success:
+            return 'unknown'
+        elif check.errors or check.warnings:
+            status = []
+            if check.errors:
+                msg = self.locale.translate(
+                    '{} error', '{} errors', check.errors)
+                status.append(msg.format(check.errors))
+            if check.warnings:
+                msg = self.locale.translate(
+                    '{} warning', '{} warnings', check.warnings)
+                status.append(msg.format(check.warnings))
+            return ', '.join(status)
+        else:
+            return 'all clean'
+
     def get(self, domain, user, name):
         project = get_project_or_404(domain, user, name)
         checks = (Check
@@ -123,24 +140,8 @@
             .join(Change)
             .where(Check.project == project)
             .order_by(Check.ordinal.desc()))
-        def status(check):
-            if not check.success:
-                return 'unknown'
-            elif check.errors or check.warnings:
-                status = []
-                if check.errors:
-                    msg = self.locale.translate(
-                        '{} error', '{} errors', check.errors)
-                    status.append(msg.format(check.errors))
-                if check.warnings:
-                    msg = self.locale.translate(
-                        '{} warning', '{} warnings', check.warnings)
-                    status.append(msg.format(check.warnings))
-                return ', '.join(status)
-            else:
-                return 'all clean'
         self.set_header('Content-Type', 'application/atom+xml; charset=utf-8')
-        self.render('atom.xml', project=project, checks=checks, status=status)
+        self.render('atom.xml', project=project, checks=checks, status=self.get_check_status)
 
 
 class CheckHandler(BaseHandler):