Extract template as a variable and use new style string formatting.

1 files changed, 5 insertions, 2 deletions

diff --git a/cherrypy/test/test_conn.py b/cherrypy/test/test_conn.py
index 57aabb8a..3dc5fed8 100644
--- a/cherrypy/test/test_conn.py
+++ b/cherrypy/test/test_conn.py
@@ -799,8 +799,11 @@ class LimitedRequestQueueTests(helper.CPWebCase):
                 if exc.args[0] in socket_reset_errors:
                     pass # Expected.
                 else:
-                    raise AssertionError("Overflow conn did not get RST. "
-                                         "Got %s instead" % repr(exc.args))
+                    tmpl = (
+                        "Overflow conn did not get RST. "
+                        "Got {exc.args!r} instead"
+                    )
+                    raise AssertionError(tmpl.format(**locals()))
             except BadStatusLine:
                 # This is a special case in OS X. Linux and Windows will
                 # RST correctly.