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-rw-r--r--gr-blocks/python/blocks/qa_python_message_passing.py6
1 files changed, 2 insertions, 4 deletions
diff --git a/gr-blocks/python/blocks/qa_python_message_passing.py b/gr-blocks/python/blocks/qa_python_message_passing.py
index 6eade7556b..e391c5f952 100644
--- a/gr-blocks/python/blocks/qa_python_message_passing.py
+++ b/gr-blocks/python/blocks/qa_python_message_passing.py
@@ -98,10 +98,8 @@ class test_python_message_passing(gr_unittest.TestCase):
self.tb.msg_connect(msg_gen, 'out_port', msg_cons, 'in_port')
# Verify that the messgae port query functions work
- self.assertEqual(pmt.symbol_to_string(pmt.vector_ref(
- msg_gen.message_ports_out(), 0)), 'out_port')
- self.assertEqual(pmt.symbol_to_string(pmt.vector_ref(
- msg_cons.message_ports_in(), 0)), 'in_port')
+ self.assertEqual(pmt.to_python(msg_gen.message_ports_out())[0], 'out_port')
+ self.assertEqual('in_port' in pmt.to_python(msg_cons.message_ports_in()), True)
# Run to verify message passing
self.tb.start()