Fixed small bugs and code style offences

app/services/follow_remote_account_service.rb

@@ -45,7 +45,7 @@ class FollowRemoteAccountService < BaseService
     end
 
     return account
-  rescue Goldfinger::Error, HTTP::Error => e
+  rescue Goldfinger::Error, HTTP::Error
     nil
   end
 

app/services/process_feed_service.rb

@@ -28,7 +28,7 @@ class ProcessFeedService < BaseService
 
   private
 
-  def add_post!(entry, status)
+  def add_post!(_entry, status)
     status.save!
   end
 
@@ -47,7 +47,7 @@ class ProcessFeedService < BaseService
     status.save!
   end
 
-  def find_original_status(xml, id)
+  def find_original_status(_xml, id)
     return nil if id.nil?
 
     if local_id?(id)
@@ -96,7 +96,7 @@ class ProcessFeedService < BaseService
   end
 
   def activity_id(xml)
-    entry.at_xpath('./xmlns:id').content
+    xml.at_xpath('./xmlns:id').content
   end
 
   def target_content(xml)

app/services/process_interaction_service.rb

@@ -68,7 +68,7 @@ class ProcessInteractionService < BaseService
   end
 
   def status(xml)
-    Status.find(unique_tag_to_local_id(activity_id, 'Status'))
+    Status.find(unique_tag_to_local_id(activity_id(xml), 'Status'))
   end
 
   def activity_id(xml)