Rubocop auto correct

Author: kojix2

lib/youplot/backends/processing.rb

@@ -21,7 +21,7 @@ def count_values(arr, tally: true, reverse: false)
           # compare values
           r = b[1] <=> a[1]
           # If the values are the same, compare by name
-          r = a[0] <=> b[0] if r == 0
+          r = a[0] <=> b[0] if r.zero?
           r
         end
 

lib/youplot/parser.rb

@@ -163,8 +163,8 @@ def sub_parser_add_xscale
     end
 
     def sub_parser_add_canvas
-      canvas_types = UnicodePlot::Canvas::CANVAS_CLASS_MAP.keys.join(", ")
-      sub_parser.on_head('--canvas STR', String, "type of canvas", "(#{canvas_types})") do |v|
+      canvas_types = UnicodePlot::Canvas::CANVAS_CLASS_MAP.keys.join(', ')
+      sub_parser.on_head('--canvas STR', String, 'type of canvas', "(#{canvas_types})") do |v|
         params.canvas = v.to_sym
       end
     end

test/youplot/iris_test.rb

@@ -109,7 +109,7 @@ def fixture(fname)
     assert_equal fixture('iris-boxplot.txt'), @stderr_file.read
   end
 
-  # Yeah, lineplot/lineplots don't make sense too. 
+  # Yeah, lineplot/lineplots don't make sense too.
   # Just checking the behavior.
 
   test :c do