swc-installation-test-2.py: import print_function for Python 2.6

Otherwise `print()` actually prints `()`, where we want it to print a
blank line.

diff --git a/swc-installation-test-2.py b/swc-installation-test-2.py
index a6a9a508d2e4e6bd5012a7629fa7d33593873e52..857385ca31be233e6541eec4bd1dc758f2b7aeac 100755 (executable)
--- a/swc-installation-test-2.py
+++ b/swc-installation-test-2.py
@@ -22,6 +22,8 @@ This script requires at least Python 2.6.  You can check the version
 of Python that you have installed with 'swc-installation-test-1.py'.
 """
 
+from __future__ import print_function  # for Python 2.6 compatibility
+
 import distutils.ccompiler as _distutils_ccompiler
 import importlib as _importlib
 import logging as _logging