Fix deprecated regex pattern syntax in selftests

A deprecated (non-raw with escape sequences) regular expression
string went unnoticed in a recent commit, so this change fixes it to
be ready for eventual Python 3.8.

diff --git a/mudpy/tests/selftest.py b/mudpy/tests/selftest.py
index fa96ad0..bc87885 100644 (file)
--- a/mudpy/tests/selftest.py
+++ b/mudpy/tests/selftest.py
@@ -186,7 +186,7 @@ test_reload = (
         r".* User admin reloaded the world\.",
      "show element account.admin"),
     (2, 'These are the properties of the "account.admin" element.*'
-        "  \x1b\[32mpasshash:\r\n\x1b\[31m\$.*> ", ""),
+        r'  \x1b\[32mpasshash:\r\n\x1b\[31m\$.*> ', ""),
 )
 
 test_set_facet = (