readlink: use print_function

tests/readlink.py

@@ -1,13 +1,15 b''
 #!/usr/bin/env python
 
+from __future__ import print_function
+
 import errno, os, sys
 
 for f in sys.argv[1:]:
     try:
-        print f, '->', os.readlink(f)
+        print(f, '->', os.readlink(f))
     except OSError as err:
         if err.errno != errno.EINVAL:
             raise
-        print f, 'not a symlink'
+        print(f, '->', f, 'not a symlink')
 
 sys.exit(0)

tests/test-check-py3-compat.t

@@ -28,7 +28,6 b''
   tests/heredoctest.py requires print_function
   tests/md5sum.py not using absolute_import
   tests/readlink.py not using absolute_import
-  tests/readlink.py requires print_function
   tests/run-tests.py not using absolute_import
   tests/svn-safe-append.py not using absolute_import
   tests/test-atomictempfile.py not using absolute_import
@@ -161,6 +160,5 b''
   mercurial/win*.py: error importing module: <ImportError> No module named 'msvcrt' (line *) (glob)
   mercurial/windows.py: error importing module: <ImportError> No module named '_winreg' (line *) (glob)
   mercurial/wireproto.py: error importing module: <SyntaxError> invalid syntax (bundle*.py, line *) (line *) (glob)
-  tests/readlink.py: invalid syntax: invalid syntax (<unknown>, line *) (glob)
 
 #endif