debian: replace clean with override_dh_auto_clean
The current version does not call the default dh_auto_build, which is
a bug. This is required in particular for cleaning the build
directories.
--- a/debian/rules Sat Oct 11 04:23:22 2014 +0530
+++ b/debian/rules Sat Oct 11 02:14:12 2014 +0530
@@ -18,7 +18,8 @@
find debian -name __init__.py -delete
dh_python2
-clean: clean-docs
+override_dh_auto_clean: clean-docs
+ dh_auto_clean
rm -f tests/*.err
clean-docs: