1 files changed, 8 insertions, 1 deletions
diff --git a/python.d/smartd_log.chart.py b/collectors/python.d.plugin/smartd_log/smartd_log.chart.py
index 07ad88cd4..21dbccecc 100644
--- a/python.d/smartd_log.chart.py
+++ b/collectors/python.d.plugin/smartd_log/smartd_log.chart.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 # Description: smart netdata python.d module
 # Author: l2isbad, vorph1
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 import os
 import re
@@ -115,7 +116,7 @@ def chart_template(chart_name):
         chart_name: {
             'options': [None, title, units, family, 'smartd_log.' + chart_name, 'line'],
             'lines': []
-            }
+        }
     }
 
 
@@ -184,6 +185,12 @@ class Disk:
             return self.name == other.name
         return self.name == other
 
+    def __ne__(self, other):
+        return not self == other
+
+    def __hash__(self):
+        return hash(repr(self))
+
     @handle_os_error
     def is_active(self):
         return (time() - os.path.getmtime(self.log_file.path)) / 60 < self.age