🚨Fix Rubocop lint errors

app/uploaders/attachment_uploader.rb

@@ -9,13 +9,13 @@ class AttachmentUploader < CarrierWave::Uploader::Base
     end
   end
 
-  version :thumb, :if => :image? do
-    process resize_to_fill: [280,280]
+  version :thumb, if: :image? do
+    process resize_to_fill: [280, 280]
   end
 
   protected
 
-    def image?(new_file)
-      model.image?
-    end
+  def image?(_new_file)
+    model.image?
+  end
 end

app/uploaders/avatar_uploader.rb

@@ -10,11 +10,10 @@ class AvatarUploader < CarrierWave::Uploader::Base
   end
 
   version :thumb do
-    process resize_to_fill: [64,64]
+    process resize_to_fill: [64, 64]
   end
 
   version :profile_thumb do
-    process resize_to_fill: [128,128]
+    process resize_to_fill: [128, 128]
   end
-
 end