--- alexandria-book-collection-manager-0.7.8/lib/alexandria/export_library.rb.image_size 2020-11-29 20:50:34.000000000 +0900
+++ alexandria-book-collection-manager-0.7.8/lib/alexandria/export_library.rb 2021-08-27 11:09:49.794917238 +0900
@@ -5,6 +5,7 @@
# See the file README.md for authorship and licensing information.
require "csv"
+gem "image_size"
require "image_size"
require "tmpdir"