From f3cd03196ddbb0013a1a1858646dc15fa2a3ad32 Mon Sep 17 00:00:00 2001
From: kojix2 <2xijok@gmail.com>
Date: Sun, 16 Aug 2020 13:43:37 +0900
Subject: [PATCH] Rubocop auto correct

---
 lib/uplot/plot.rb | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/uplot/plot.rb b/lib/uplot/plot.rb
index 7743f63..2bab8f2 100644
--- a/lib/uplot/plot.rb
+++ b/lib/uplot/plot.rb
@@ -126,16 +126,16 @@ module Uplot
     def check_series_size(data, fmt)
       series = data.series
       if series.size == 1
-        warn "uplot: There is only one series of input data. Please check the delimiter."
-        warn ""
+        warn 'uplot: There is only one series of input data. Please check the delimiter.'
+        warn ''
         warn "  Headers: \e[35m#{data.headers.inspect}\e[0m"
         warn "  The first item is: \e[35m\"#{series[0][0]}\"\e[0m"
         warn "  The last item is : \e[35m\"#{series[0][-1]}\"\e[0m"
         exit 1
       end
       if fmt == 'xyxy' && series.size.odd?
-        warn "uplot: In the xyxy format, the number of series must be even."
-        warn ""
+        warn 'uplot: In the xyxy format, the number of series must be even.'
+        warn ''
         warn "  Number of series: \e[35m#{series.size}\e[0m"
         warn "  Headers: \e[35m#{data.headers.inspect}\e[0m"
         exit 1