Cleanup: remove test file after it is used.
diff --git a/Lib/test/test_tcl.py b/Lib/test/test_tcl.py
index 6cab2e8..f13550f 100644
--- a/Lib/test/test_tcl.py
+++ b/Lib/test/test_tcl.py
@@ -97,6 +97,7 @@
         fd.write(script)
         fd.close()
         tcl.evalfile(filename)
+        os.remove(filename)
         self.assertEqual(tcl.eval('set a'),'1')
         self.assertEqual(tcl.eval('set b'),'2')
         self.assertEqual(tcl.eval('set c'),'3')