Manually merged from https://github.com/rubygems/rubygems/pull/2636

Enable Style/EmptyLinesAroundClassBody rubocop cop.

lib/rubygems/commands/dependency_command.rb

@@ -4,6 +4,7 @@ require 'rubygems/local_remote_options'
 require 'rubygems/version_option'
 
 class Gem::Commands::DependencyCommand < Gem::Command
+
   include Gem::LocalRemoteOptions
   include Gem::VersionOption
 
@@ -214,4 +215,5 @@ use with other commands.
       /\A#{Regexp.union(*args)}/
     end
   end
+
 end