Reduce the usage of the types module.
diff --git a/Lib/cookielib.py b/Lib/cookielib.py
index 268cc20..7fec858 100644
--- a/Lib/cookielib.py
+++ b/Lib/cookielib.py
@@ -26,7 +26,6 @@
"""
import sys, re, urlparse, copy, time, urllib, logging
-from types import StringTypes
try:
import threading as _threading
except ImportError:
@@ -359,7 +358,7 @@
[[('Basic', None), ('realm', '"foobar"')]]
"""
- assert type(header_values) not in StringTypes
+ assert not isinstance(header_values, basestring)
result = []
for text in header_values:
orig_text = text