fix language check when no Accept-Language header is set

debianmemberportfolio/lib/base.py

@@ -39,11 +39,15 @@ class BaseController(WSGIController):
         # the request is routed to. This routing information is
         # available in environ['pylons.routes_dict']
         # set language environment
-        for lang in request.languages:
-            try:
-                add_fallback(lang.replace('-', '_'))
-            except:
-                pass
+        try:
+            languages = request.languages
+            for lang in languages:
+                try:
+                    add_fallback(lang.replace('-', '_'))
+                except:
+                    pass
+        except:
+            pass
         c.messages = {'errors': [], 'messages': []}
         return WSGIController.__call__(self, environ, start_response)