More cleanup.

Cython/Build/Dependencies.py

@@ -2,11 +2,7 @@ import cython
 from Cython import __version__
 
 import re, os, sys, time
-try:
-    from glob import iglob
-except ImportError:
-    # Py2.4
-    from glob import glob as iglob
+from glob import iglob
 
 try:
     import gzip

Cython/Compiler/ExprNodes.py

@@ -9202,7 +9202,7 @@ class AddNode(NumBinopNode):
     def infer_builtin_types_operation(self, type1, type2):
         # b'abc' + 'abc' raises an exception in Py3,
         # so we can safely infer the Py2 type for bytes here
-        string_types = [bytes_type, str_type, basestring_type, unicode_type]  # Py2.4 lacks tuple.index()
+        string_types = (bytes_type, str_type, basestring_type, unicode_type)
         if type1 in string_types and type2 in string_types:
             return string_types[max(string_types.index(type1),
                                     string_types.index(type2))]