angelo@Angelo-PC:~$ gufw
Traceback (most recent call last):
  File "/usr/share/gufw/gufw/gufw.py", line 21, in <module>
    from view.gufw  import Gufw
  File "/usr/share/gufw/gufw/view/gufw.py", line 19, in <module>
    import gi
ImportError: No module named gi