Remove needless space

.github/workflows/ci.yml

@@ -13,5 +13,6 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
-          bundler-cache: true
+      - run: gem install bundler
+      - run: bundle install
       - run: bundle exec rake test

Gemfile

@@ -4,9 +4,3 @@ source 'https://rubygems.org'
 
 # Specify your gem's dependencies in youplot.gemspec
 gemspec
-
-group :test do
-  gem 'rake'
-  gem 'simplecov'
-  gem 'test-unit'
-end

lib/youplot.rb

@@ -6,12 +6,6 @@ require_relative 'youplot/parameters'
 require_relative 'youplot/command'
 
 module YouPlot
-  # @run_as_executable = true / false
-  # YouPlot behaves slightly differently when run as a command line tool
-  # and when run as a script (e.g. for testing). In the event of an error,
-  # when run as a command line tool, YouPlot will display a short error message
-  # and exit abnormally. When run as a script, it will just raise an error.
-  @run_as_executable = false
   class << self
     attr_accessor :run_as_executable
 
@@ -19,4 +13,5 @@ module YouPlot
       @run_as_executable
     end
   end
+  @run_as_executable = false
 end

lib/youplot/backends/unicode_plot.rb

@@ -127,10 +127,11 @@ module YouPlot
 
       def plot_xyxy(data, method1, params)
         headers = data.headers
-        series2 = data.series
-                      .map { |s| s.map(&:to_f) }
-                      .each_slice(2).to_a
+        series = data.series
         method2 = get_method2(method1)
+        series.map! { |s| s.map(&:to_f) }
+        series2 = series.each_slice(2).to_a
+        series = nil
         params.name ||= headers[0] if headers
         params.xlim ||= series2.map(&:first).flatten.minmax # why need?
         params.ylim ||= series2.map(&:last).flatten.minmax # why need?

lib/youplot/parser.rb

@@ -95,7 +95,7 @@ module YouPlot
         parser.on('-M', '--monochrome', TrueClass, 'no colouring even if writing to a tty') do |_v|
           UnicodePlot::IOContext.define_method(:color?) { false } # FIXME
         end
-        parser.on('--encoding STR', String, 'specify the input encoding') do |v|
+        parser.on('--encoding STR', String, 'Specify the input encoding') do |v|
           options[:encoding] = v
         end
         # Optparse adds the help option, but it doesn't show up in usage.

lib/youplot/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module YouPlot
-  VERSION = '0.4.3'
+  VERSION = '0.4.2'
 end

youplot.gemspec

@@ -19,5 +19,10 @@ Gem::Specification.new do |spec|
   spec.executables   = %w[uplot youplot]
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'unicode_plot', '>= 0.0.5'
+  spec.add_runtime_dependency 'unicode_plot'
+  spec.add_development_dependency 'bundler'
+  spec.add_development_dependency 'rake'
+  spec.add_development_dependency 'rubocop'
+  spec.add_development_dependency 'simplecov'
+  spec.add_development_dependency 'test-unit'
 end