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-rw-r--r--gnuradio-runtime/python/gnuradio/gr/__init__.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/gnuradio-runtime/python/gnuradio/gr/__init__.py b/gnuradio-runtime/python/gnuradio/gr/__init__.py
index 747de108e2..5103bf97a7 100644
--- a/gnuradio-runtime/python/gnuradio/gr/__init__.py
+++ b/gnuradio-runtime/python/gnuradio/gr/__init__.py
@@ -52,3 +52,7 @@ if(log_debug_file == "stderr" or log_file == "stdout"):
log_debug.add_console_appender(log_debug_file, "gr::log %d :%p: %m%n")
else:
log_debug.add_file_appender(log_debug_file, True, "%r :%p: %c{1} - %m%n")
+
+io_signaturev = io_signature.makev
+io_signature3 = io_signature.make3
+io_signature2 = io_signature.make2