human
Solve the following python programming problem given the following code:
@ istest 
def traps_sys_exit_when_checking_if_a_package_exists(self) : 
    def exit(* args, **kwargs) : 
        sys.exit (1) 
execute = MagicMock (side_effect = exit) 
    with patch ('provy.core.roles.Role.execute', self) : 
        self.assertFalse (self.role.package_exists ('phyton')) 

    
    

    Fix the buggy line: with patch ('provy.core.roles.Role.execute', self) :
assistant
#Here is Python program to fix the buggy line: with patch ('provy.

with patch ('provy.core.roles.Role.execute', execute) :