don't show pgettext en language warning

diff --git a/tornado/locale.py b/tornado/locale.py
index 1a87ed1eb09a819bf6261fecb01a7b5fa9da865e..57faa295abf5439a1d27fb8138422400bc8b6f87 100644 (file)
--- a/tornado/locale.py
+++ b/tornado/locale.py
@@ -427,7 +427,8 @@ class CSVLocale(Locale):
         return message_dict.get(message, message)
 
     def pgettext(self, context, message, plural_message=None, count=None):
-        gen_log.warning('pgettext is not supported by CSVLocale')
+        if self.translations:
+            gen_log.warning('pgettext is not supported by CSVLocale')
         return self.translate(message, plural_message, count)