push back byebug for mri

Gemfile

@@ -35,7 +35,12 @@ platform :mri, :rbx do
 
   group :development, :test do
     gem 'pry'
-    # gem 'pry-byebug', platform: 'mri'
+  end
+end
+
+platform :mri do
+  group :development, :test do
+    gem 'pry-byebug', platform: 'mri'
   end
 end
 

Gemfile.lock

@@ -240,6 +240,7 @@ DEPENDENCIES
   pg
   poltergeist
   pry
+  pry-byebug
   puma
   rack-cache
   rack-recaptcha