don't use setuptools to build debian package

debian/rules

@@ -7,7 +7,7 @@
 build: build-stamp
 build-stamp:
 	dh_testdir
-	python setup.py -q build
+	NO_SETUPTOOLS=1 python setup.py -q build
 	touch build-stamp
 
 clean:
@@ -24,7 +24,7 @@
 	dh_testroot
 	dh_clean -k
 	dh_installdirs -i
-	python setup.py -q install --no-compile --prefix=debian/cubicweb-blog/usr/
+	NO_SETUPTOOLS=1 python setup.py -q install --no-compile --prefix=debian/cubicweb-blog/usr/
 	rm -rf debian/cubicweb-blog/usr/lib/python*