Spawn /bin/bash using Python's PTY module, and connect the controlling shell with its standard I/O.
python -c 'import pty; pty.spawn("/bin/bash")'
Fully Interactive TTY
Background the current remote shell (^Z), update the local terminal line settings with stty2 and bring the remote shell back.
After bringing the job back the cursor will be pushed to the left. Reinitialize the terminal with reset.