Er, vte_pty_set_term isn't callable, since the pty object doesn't exist before __vte_pty_spawn. The user-callable fn is vte_terminal_set_emulation.
Er, vte_pty_set_term isn't callable, since the pty object doesn't exist before __vte_pty_spawn. The user-callable fn is vte_terminal_ set_emulation.