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

Enable Style/EmptyLinesAroundClassBody rubocop cop.

lib/rubygems/commands/uninstall_command.rb

@@ -10,6 +10,7 @@ require 'fileutils'
 # See `gem help uninstall`
 
 class Gem::Commands::UninstallCommand < Gem::Command
+
   include Gem::VersionOption
 
   def initialize
@@ -194,4 +195,5 @@ that is a dependency of an existing gem.  You can use the
   def uninstall(gem_name)
     Gem::Uninstaller.new(gem_name, options).uninstall
   end
+
 end