Add Style/Mixin to .rubocop.yml

Author: Prakriti-nith

.rubocop.yml

@@ -65,6 +65,12 @@ Style/SingleLineBlockParams:
 Style/PerlBackrefs:
   Enabled: false
 
+# Tried to disable in the file itself but this style rubocop was not there in
+#   ruby 2.0, so it threw Lint/UnneededDisable rubocop offence.
+Style/MixinUsage:
+  Exclude:
+    - 'lib/daru/view/plot_list.rb'
+
 Layout/SpaceAfterComma:
   Enabled: false
 

lib/daru/view/plot_list.rb

@@ -4,9 +4,8 @@
 require 'daru/view/adapters/googlecharts/display'
 
 # Otherwise Daru::IRuby module was used and IRuby.html method was not working.
-# rubocop:disable Style/MixinUsage
+
 include IRuby::Utils if defined?(IRuby)
-# rubocop:enable Style/MixinUsage
 
 module Daru
   module View