Removed duplicate method.

modules/cli_tool/padavan.py

@@ -256,7 +256,7 @@ class Padavan:
     def set_volume(self, mixernumber, volume):
         # init lqs and enable comm
         self.init_liquidsoap_communication()
-        self.stringreply = self.lsc.set_volume(mixernumber, volume)
+        self.stringreply = self.lsc.channel_volume(mixernumber, volume)
         # disable connection
         self.destroy_liquidsoap_communication()