Fix the issue of to say if current user followed someone.

app/controllers/api/v1/users_controller.rb

@@ -1,6 +1,8 @@
 class Api::V1::UsersController < Api::V1::ApplicationController
 
   skip_before_action :authenticate_user_from_token, only: [:show]
+
+  before_action :fetch_current_user, only: [:show]
   before_action :load_user, except: [:me, :search]
 
   def show

app/serializers/user_serializer.rb

@@ -5,7 +5,7 @@ class UserSerializer < ActiveModel::Serializer
 
   def followed
     return true if object == scope.current_user
-    object.followers_ids.include? scope.current_user
+    object.followers_ids.include? scope.current_user.try(:id)
   end
 
   def posts_count