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--- a/packaging/debian/debianunitylens/rules
+++ b/packaging/debian/debianunitylens/rules
@@ -39,6 +39,7 @@
 	dh_testroot
 	dh_installchangelogs ChangeLog
 	dh_installdocs README
+	dh_python2
 	dh_link
 	dh_compress
 	dh_fixperms