1 files changed, 5 insertions, 3 deletions
diff --git a/python.d/exim.chart.py b/collectors/python.d.plugin/exim/exim.chart.py
index 2e5b924ba..5431dd46b 100644
--- a/python.d/exim.chart.py
+++ b/collectors/python.d.plugin/exim/exim.chart.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 # Description: exim netdata python.d module
 # Author: Pawel Krupa (paulfantom)
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 from bases.FrameworkServices.ExecutableService import ExecutableService
 
@@ -14,17 +15,18 @@ ORDER = ['qemails']
 
 CHARTS = {
     'qemails': {
-        'options': [None, "Exim Queue Emails", "emails", 'queue', 'exim.qemails', 'line'],
+        'options': [None, 'Exim Queue Emails', 'emails', 'queue', 'exim.qemails', 'line'],
         'lines': [
             ['emails', None, 'absolute']
-        ]}
+        ]
+    }
 }
 
 
 class Service(ExecutableService):
     def __init__(self, configuration=None, name=None):
         ExecutableService.__init__(self, configuration=configuration, name=name)
-        self.command = "exim -bpc"
+        self.command = 'exim -bpc'
         self.order = ORDER
         self.definitions = CHARTS