optional path in gemfile

Gemfile

@@ -22,7 +22,7 @@ gem "country_select"
 gem "csl-styles", "~> 2.0"
 gem "curation"#, path: "../../arnaudlevy/curation"
 gem "delayed_job_active_record"
-gem "delayed_job_prevent_duplicate"
+gem "delayed_job_prevent_duplicate"#, path: "../delayed_job_prevent_duplicate"
 gem "delayed_job_web"
 gem "devise"
 gem "devise-i18n"