--- a/poll-hgweb-queue.py	Thu Sep 01 17:30:18 2016 +0800
+++ b/poll-hgweb-queue.py	Thu Sep 01 17:39:28 2016 +0800
@@ -52,7 +52,9 @@
     def poll(self, target):
         url = target['url']
         http = AsyncHTTPClient()
-        headers = {}
+        headers = {
+            'User-Agent': 'hgweb poller (https://bitbucket.org/av6/candolint)'
+        }
         if 'etag' in target:
             headers['If-None-Match'] = target['etag']
         logging.debug('Fetching %s', url)