some RiscOS stuff I missed before (was only looking for "RISCOS")
diff --git a/Lib/test/test_threadsignals.py b/Lib/test/test_threadsignals.py
index 286c2e4..9f076ef 100644
--- a/Lib/test/test_threadsignals.py
+++ b/Lib/test/test_threadsignals.py
@@ -7,7 +7,7 @@
import sys
from test.test_support import run_unittest, TestSkipped
-if sys.platform[:3] in ('win', 'os2') or sys.platform=='riscos':
+if sys.platform[:3] in ('win', 'os2'):
raise TestSkipped, "Can't test signal on %s" % sys.platform
process_pid = os.getpid()