use sys.executable rather than 'python' when testing generate_softwar…

…e_list.py script

test/framework/scripts.py

@@ -30,6 +30,7 @@
 import os
 import re
 import shutil
+import sys
 import tempfile
 from test.framework.utilities import EnhancedTestCase
 from unittest import TestLoader, main
@@ -77,7 +78,7 @@ def test_generate_software_list(self):
             for ec_file in files:
                 shutil.copy2(os.path.join(root, ec_file), tmpdir)
 
-        cmd = "python %s --local --quiet --path %s" % (script, tmpdir)
+        cmd = "%s %s --local --quiet --path %s" % (sys.executable, script, tmpdir)
         out, ec = run_cmd(cmd, simple=False)
 
         # make sure output is kind of what we expect it to be