Python 3: Replace basestring with six.string_types

1 files changed, 2 insertions, 1 deletions

diff --git a/paste/exceptions/formatter.py b/paste/exceptions/formatter.py
index a613479..7fa5e7d 100644
--- a/paste/exceptions/formatter.py
+++ b/paste/exceptions/formatter.py
@@ -8,6 +8,7 @@ Formatters for the exception data that comes from ExceptionCollector.
 # Use this: http://www.zope.org/Members/tino/VisualTraceback/VisualTracebackNews
 
 import cgi
+import six
 import re
 from paste.util import PySourceColor
 
@@ -76,7 +77,7 @@ class AbstractFormatter(object):
                 lines.append(self.format_long_source(
                     source, long_source))
         etype = exc_data.exception_type
-        if not isinstance(etype, basestring):
+        if not isinstance(etype, six.string_types):
             etype = etype.__name__
         exc_info = self.format_exception_info(
             etype,