Python2.x needs encode as well.

--HG--
extra : source : ab82442e2205a4ab1016711e482388590688fa15

setuptools/command/egg_info.py

@@ -304,8 +304,7 @@ def write_file(filename, contents):
     sequence of strings without line terminators) to it.
     """
     contents = "\n".join(contents)
-    if sys.version_info >= (3,):
-        contents = contents.encode("utf-8")
+    contents = contents.encode("utf-8")
     f = open(filename, "wb")        # always write POSIX-style manifest
     f.write(contents)
     f.close()