Net: Typing issue

https://forum.duniter.org/t/silkaj-probleme-conversion/5582/2

Traceback (most recent call last):
  File "/home/nico/.local/bin/silkaj", line 13, in <module>
    manage_cmd()
  File "/home/nico/.local/lib/python3.5/site-packages/silkaj/cli_tools.py", line 148, in manage_cmd
    network_info(cli_args.contains_switches("discover"))
  File "/home/nico/.local/lib/python3.5/site-packages/silkaj/commands.py", line 150, in network_info
    message_exit("Wide screen need to be larger than 146. Current wide: " + wide)
TypeError: Can't convert 'int' object to str implicitly