--- alexandria-book-collection-manager-0.7.4/lib/alexandria/ui/new_book_dialog.rb.up28263	2019-10-25 01:20:07.000000000 +0900
+++ alexandria-book-collection-manager-0.7.4/lib/alexandria/ui/new_book_dialog.rb	2020-01-03 12:36:21.720395196 +0900
@@ -345,8 +345,8 @@ module Alexandria
         @button_add.sensitive = false
         notify_start_add_by_isbn
         GLib::Idle.add do
-          @find_thread = Thread.new do
-            log.info { "New @find_thread #{Thread.current}" }
+          #@find_thread = Thread.new do
+            #log.info { "New @find_thread #{Thread.current}" }
             begin
               # MAJOR HACK, add this again...
               Alexandria::BookProviders.instance.add_observer(self)
@@ -372,7 +372,7 @@ module Alexandria
               Alexandria::BookProviders.instance.delete_observer(self)
               notify_end_add_by_isbn
             end
-          end
+          #end
 
           false
         end