Merge pull request #2133 from paulsturgess/rails-5.1.0-fix

Fix 5.1.0 regression from using `saved_changes` instead of `changes`
carrierwaveuploader · Mar 7, 2017 · 97c028c · 97c028c
2 parents 87c37b7 + 053537d
commit 97c028c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/carrierwave/mounter.rb b/lib/carrierwave/mounter.rb
@@ -123,6 +123,7 @@ def serialization_column
     end
 
     def remove_previous(before=nil, after=nil)
+      after ||= []
       return unless before
 
       # both 'before' and 'after' can be string when 'mount_on' option is set