varnish_plugin: python 2.6 compatibility fix

diff --git a/python.d/varnish.chart.py b/python.d/varnish.chart.py
index 9c1b8de236f98b54b22094dfa0bc183060f45a9e..2665bb383b687d3ebb5b2e8acefb1acf98df784f 100644 (file)
--- a/python.d/varnish.chart.py
+++ b/python.d/varnish.chart.py
@@ -152,10 +152,10 @@ class Service(SimpleService):
             return None
 
         # 1. ALL data from 'varnishstat -1'. t - type(MAIN, MEMPOOL etc)
-        to_netdata = {k: int(v) for t, k, v in data_all}
+        to_netdata = dict([(k, int(v)) for t, k, v in data_all])
         
         # 2. ADD backend statistics
-        to_netdata.update({'_'.join([n, k]): int(v) for n, k, v in data_backend})
+        to_netdata.update(dict([('_'.join([n, k]), int(v)) for n, k, v in data_backend]))
 
         # 3. ADD additional keys to dict
         # 3.1 Cache hit/miss/hitpass OVERALL in percent