From: paulfantom <paulfantom@gmail.com>
Date: Wed, 13 Jul 2016 22:39:46 +0000 (+0200)
Subject: fix postfix (no mails error)
X-Git-Tag: v1.3.0~70^2~1
X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ca01e98cb87c6dd18f9ccede1e42495d85558236;p=netdata.git

fix postfix (no mails error)
---

diff --git a/plugins.d/python.d.plugin b/plugins.d/python.d.plugin
index f5738e6e..bddcd6e5 100755
--- a/plugins.d/python.d.plugin
+++ b/plugins.d/python.d.plugin
@@ -484,6 +484,7 @@ def run():
     # parse passed command line arguments
     modules = parse_cmdline(MODULES_DIR, *sys.argv)
     msg.DEBUG_FLAG = DEBUG_FLAG
+    modules = ['postfix']
     msg.info("MODULES_DIR='" + MODULES_DIR +
              "', CONFIG_DIR='" + CONFIG_DIR +
              "', UPDATE_EVERY=" + str(BASE_CONFIG['update_every']) +
diff --git a/python.d/python_modules/base.py b/python.d/python_modules/base.py
index 077b6129..93467386 100644
--- a/python.d/python_modules/base.py
+++ b/python.d/python_modules/base.py
@@ -642,6 +642,9 @@ class ExecutableService(SimpleService):
         for line in p.stdout.readlines():
             data.append(str(line.decode()))
 
+        if len(data) == 0:
+            return None
+
         return data
 
     def check(self):