Removes build_py_2to3 and adds import of print_function (#261)

* removes import of build_py_2to3

build_py_2to3 is no longer needed because the syntax being used in comtypes is Python 2.7 compliant

* adds print_function import

`__future__.print_function` is needed  in order to have comtypes work properly on Python 2.7

Author: kdschlosser

comtypes/client/_events.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 import ctypes
 import traceback
 import comtypes

comtypes/shelllink.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 from ctypes import *
 from ctypes.wintypes import DWORD, WIN32_FIND_DATAA, WIN32_FIND_DATAW, MAX_PATH
 from comtypes import IUnknown, GUID, COMMETHOD, HRESULT, CoClass

comtypes/test/__init__.py

@@ -1,5 +1,6 @@
 # comtypes.test package.
 
+from __future__ import print_function
 import ctypes
 import getopt
 import os

comtypes/test/find_memleak.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 import unittest, gc
 from ctypes import *
 from ctypes.wintypes import *

comtypes/test/test_agilent.py

@@ -1,6 +1,8 @@
 # This test requires that the Agilent IVI-COM Driver for Agilent546XX
 # is installed.  It is not requires to have a physical instrument
 # connected, the driver is used in simulation mode.
+
+from __future__ import print_function
 import unittest
 from comtypes.test import ResourceDenied
 from comtypes.client import CreateObject

comtypes/test/test_createwrappers.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 import glob
 import os
 import unittest

comtypes/test/test_excel.py

@@ -1,4 +1,5 @@
 # -*- coding: latin-1 -*-
+from __future__ import print_function
 import unittest
 
 import comtypes.test

comtypes/test/test_outparam.py

@@ -1,4 +1,3 @@
-import sys
 from ctypes import *
 import unittest
 

comtypes/test/test_variant.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 from ctypes import (
     POINTER, byref, c_byte, c_char, c_double, c_float, c_int, c_int64, c_short,
     c_ubyte, c_ushort, c_uint, c_uint64, pointer,

comtypes/tools/codegenerator.py

@@ -1,5 +1,6 @@
 # Code generator to generate code for everything contained in COM type
 # libraries.
+from __future__ import print_function
 import os
 import sys
 if sys.version_info >= (3, 0):