<key>variable_sink</key>
<import>from grc_gnuradio import blks2 as grc_blks2</import>
<make>grc_blks2.queue_sink_$(type.fcn)($vlen)
-grc_blks2.queue_sink_thread(self.$id, set_$(variable))</make>
+grc_blks2.queue_sink_thread(self.$id, self.set_$(variable))</make>
<param>
<name>Type</name>
<key>type</key>