1 files changed, 1 insertions, 1 deletions
diff --git a/paste/httpserver.py b/paste/httpserver.py
index d864cec..4609930 100755
--- a/paste/httpserver.py
+++ b/paste/httpserver.py
@@ -584,7 +584,7 @@ class ThreadPool(object):
         self.daemon = daemon
         if logger is None:
             logger = logging.getLogger('paste.httpserver.ThreadPool')
-        if isinstance(logger, basestring):
+        if isinstance(logger, six.string_types):
             logger = logging.getLogger(logger)
         self.logger = logger
         self.error_email = error_email