Correct execfile implementation for Python 2.6. Fixes #236.

CHANGES.txt

@@ -2,6 +2,12 @@
 CHANGES
 =======
 
+-----
+5.4.2
+-----
+
+* Issue #236: Corrected regression in execfile implementation for Python 2.6.
+
 -----
 5.4.1
 -----

setuptools.egg-info/entry_points.txt

 [console_scripts]
 easy_install = setuptools.command.easy_install:main
-easy_install-2.6 = setuptools.command.easy_install:main
+easy_install-3.4 = setuptools.command.easy_install:main
 
 [distutils.commands]
 alias = setuptools.command.alias:alias

setuptools/sandbox.py

@@ -31,6 +31,10 @@ def _execfile(filename, globals, locals=None):
     Python 3 implementation of execfile.
     """
     mode = 'rb'
+    # Python 2.6 compile requires LF for newlines, so use deprecated
+    #  Universal newlines support.
+    if sys.version_info < (2, 7):
+        mode += 'U'
     with open(filename, mode) as stream:
         script = stream.read()
     if locals is None: