Change basestring to six.string_types

--HG--
branch : python_6

1 files changed, 4 insertions, 1 deletions

diff --git a/checkers/logging.py b/checkers/logging.py
index a5b38d884..39c4d9cee 100644
--- a/checkers/logging.py
+++ b/checkers/logging.py
@@ -20,6 +20,9 @@ from pylint import interfaces
 from pylint.checkers import utils
 from pylint.checkers.utils import check_messages
 
+import six
+
+
 MSGS = {
     'W1201': ('Specify string format arguments as logging function parameters',
               'logging-not-lazy',
@@ -166,7 +169,7 @@ class LoggingChecker(checkers.BaseChecker):
             # don't check any further.
             return
         format_string = node.args[format_arg].value
-        if not isinstance(format_string, basestring):
+        if not isinstance(format_string, six.string_types):
             # If the log format is constant non-string (e.g. logging.debug(5)),
             # ensure there are no arguments.
             required_num_args = 0