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-rw-r--r--grc/core/utils/epy_block_io.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/grc/core/utils/epy_block_io.py b/grc/core/utils/epy_block_io.py
index 53a1bb3c72..a094ab7ad5 100644
--- a/grc/core/utils/epy_block_io.py
+++ b/grc/core/utils/epy_block_io.py
@@ -25,7 +25,7 @@ def _ports(sigs, msgs):
for msg_key in msgs:
if msg_key == 'system':
continue
- ports.append((msg_key, 'message', None))
+ ports.append((msg_key, 'message', 1))
return ports