Incapaz de iniciar o terminal no Ubuntu

#normally caused by python conflicts
$ sudo nano /usr/bin/gnome-terminal
#add correct version of python to the first line i.e change
	#!/usr/bin/python3
#to
	#!/usr/bin/python3.5 
    
Nb: dnt use python3.6 in  ubuntu 16(it breaks the default terminal)
Kipngetich