Index: tools/clang-format/clang-format.py
===================================================================
--- tools/clang-format/clang-format.py
+++ tools/clang-format/clang-format.py
@@ -26,6 +26,7 @@
 # It operates on the current, potentially unsaved buffer and does not create
 # or save any files. To revert a formatting, just undo.
 
+from __future__ import print_function
 import difflib
 import json
 import subprocess
@@ -61,7 +62,7 @@
   # Determine the cursor position.
   cursor = int(vim.eval('line2byte(line("."))+col(".")')) - 2
   if cursor < 0:
-    print 'Couldn\'t determine cursor position. Is your file empty?'
+    print('Couldn\'t determine cursor position. Is your file empty?')
     return
 
   # Avoid flashing an ugly, ugly cmd prompt on Windows when invoking clang-format.
@@ -81,15 +82,15 @@
     command.extend(['-assume-filename', vim.current.buffer.name])
   p = subprocess.Popen(command,
                        stdout=subprocess.PIPE, stderr=subprocess.PIPE,
-                       stdin=subprocess.PIPE, startupinfo=startupinfo)
+                       stdin=subprocess.PIPE, startupinfo=startupinfo, universal_newlines=True)
   stdout, stderr = p.communicate(input=text)
 
   # If successful, replace buffer contents.
   if stderr:
-    print stderr
+    print(stderr)
 
   if not stdout:
-    print ('No output from clang-format (crashed?).\n' +
+    print('No output from clang-format (crashed?).\n' +
         'Please report to bugs.llvm.org.')
   else:
     lines = stdout.split('\n')
@@ -100,7 +101,7 @@
       if op[0] is not 'equal':
         vim.current.buffer[op[1]:op[2]] = lines[op[3]:op[4]]
     if output.get('IncompleteFormat'):
-      print 'clang-format: incomplete (syntax errors)'
+      print('clang-format: incomplete (syntax errors)')
     vim.command('goto %d' % (output['Cursor'] + 1))
 
 main()