The usual :)
diff --git a/Lib/dos-8x3/configpa.py b/Lib/dos-8x3/configpa.py
index e1ce9dd..38a85f4 100644
--- a/Lib/dos-8x3/configpa.py
+++ b/Lib/dos-8x3/configpa.py
@@ -197,7 +197,7 @@
         configuration files in the list will be read.  A single
         filename may also be given.
         """
-        if type(filenames) is type(''):
+        if type(filenames) in [type(''), type(u'')]:
             filenames = [filenames]
         for filename in filenames:
             try: