Guardfile in br_danfe-0.15.1 vs Guardfile in br_danfe-0.16.0

@@ -1,6 +1,6 @@
-guard :rspec, cmd: "bundle exec rspec" do
-  require "guard/rspec/dsl"
+guard :rspec, cmd: 'bundle exec rspec' do
+  require 'guard/rspec/dsl'
   dsl = Guard::RSpec::Dsl.new(self)
 
   # RSpec files
   rspec = dsl.rspec
   watch(rspec.spec_helper) { rspec.spec_dir }