diff -Nru mpi4py-2.0.0/debian/rules mpi4py-2.0.0/debian/rules
--- mpi4py-2.0.0/debian/rules	2016-08-02 16:42:00.000000000 +0200
+++ mpi4py-2.0.0/debian/rules	2016-09-07 15:38:38.000000000 +0200
@@ -18,6 +18,11 @@
 export  http_proxy=http://127.0.0.1:9/
 export  https_proxy=http://127.0.0.1:9/
 
+# Skip tests in schroot environments, nosetests hang
+ifneq (,$(SCHROOT_SESSION_ID))
+DEB_BUILD_OPTIONS += nocheck
+endif
+
 %:
 	dh $@ --with python2,python3$(RECONF),sphinxdoc --buildsystem python_distutils