--- a/debian/rules	2019-05-01 10:13:38.131155309 +0100
--- b/debian/rules	2019-05-01 10:30:32.566408515 +0100
@@ -1,4 +1,6 @@
 #!/usr/bin/make -f
 
+export PYBUILD_AFTER_TEST=rm -rf {build_dir}/tmp*
+
 %:
 	dh $@ --with python3 --buildsystem=pybuild