In perl debugger I can use DB::get_fork_TTY() to debug both parent and child process in different terminals.  Is there anything similar in python debugger?
Or, is there any good way to debug fork in python?
You can emulate forked process if you will set instead of fork and its condition (pid == 0) always True. For debugging main process debugger will work.
For debugging multi-processing interaction better to use detailed logs as for me
How to debug python scripts that fork