Fix omniauth_callback error

app/controllers/v1/omniauth_callbacks_controller.rb

@@ -24,7 +24,7 @@ require 'open-uri'
 
     # break out provider attribute assignment for easy method extension
     def assign_provider_attrs(user, auth_hash)
-      avatar = URI.parse(open(auth_hash['info']['image'])).open
+      avatar = URI.parse(auth_hash['info']['image']).open
 
       user.assign_attributes({
         nickname: auth_hash['info']['nickname'],