https://bugs.freedesktop.org/show_bug.cgi?id=65979

Index: tests/twisted/Makefile.in
--- tests/twisted/Makefile.in.orig
+++ tests/twisted/Makefile.in
@@ -267,7 +267,7 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 TELEPATHY_CFLAGS = @TELEPATHY_CFLAGS@
 TELEPATHY_LIBS = @TELEPATHY_LIBS@
-TEST_PYTHON = @TEST_PYTHON@
+TEST_PYTHON = @PYTHON@
 VERSION = @VERSION@
 XSLTPROC = @XSLTPROC@
 abs_builddir = @abs_builddir@