test_tools fix: don't import analyze_dxp if no _thread module
diff --git a/Lib/test/test_tools.py b/Lib/test/test_tools.py
index 8c9054a..83a1e0d 100644
--- a/Lib/test/test_tools.py
+++ b/Lib/test/test_tools.py
@@ -63,6 +63,7 @@
         for fn in self.windows_only:
             __import__(fn[:-3])
 
+    @unittest.skipIf(not support.threading, "test requires _thread module")
     def test_analyze_dxp_import(self):
         if hasattr(sys, 'getdxp'):
             import analyze_dxp