diff -Nru python-csscompressor-0.9.4/debian/changelog python-csscompressor-0.9.4/debian/changelog
--- python-csscompressor-0.9.4/debian/changelog	2015-12-22 16:03:25.000000000 +0000
+++ python-csscompressor-0.9.4/debian/changelog	2015-12-28 09:17:32.000000000 +0000
@@ -1,3 +1,9 @@
+python-csscompressor (0.9.4-2) unstable; urgency=medium
+
+  * Using python$$i -m pytest instead of py.test-$$i when running unit tests.
+
+ -- Thomas Goirand <zigo@debian.org>  Mon, 28 Dec 2015 09:16:56 +0000
+
 python-csscompressor (0.9.4-1) unstable; urgency=medium
 
   * Initial release. (Closes: #808764)
diff -Nru python-csscompressor-0.9.4/debian/rules python-csscompressor-0.9.4/debian/rules
--- python-csscompressor-0.9.4/debian/rules	2015-12-22 16:03:25.000000000 +0000
+++ python-csscompressor-0.9.4/debian/rules	2015-12-28 09:17:32.000000000 +0000
@@ -26,7 +26,7 @@
 	set -e ; set -x ; for i in 2.7 $(PYTHON3S) ; do \
 		PYMAJOR=`echo $$i | cut -d'.' -f1` ; \
 		echo "===> Testing with python$$i (python$$PYMAJOR)" ; \
-		py.test-$$i csscompressor/tests ; \
+		python$$i -m pytest csscompressor/tests ; \
 	done
 endif