Update ProcessManager.py
Update ProcessManager.py

NON-TTY device exception handled.

sharad1126/owtf,DePierre/owtf,DePierre/owtf,DarKnight--/owtf,DePierre/owtf,owtf/owtf,owtf/owtf,sharad1126/owtf,DarKnight24/owtf,owtf/owtf,owtf/owtf,DarKnight--/owtf,sharad1126/owtf,DarKnight24/owtf,DarKnight24/owtf,DarKnight--/owtf,DePierre/owtf,sharad1126/owtf,DarKnight24/owtf,owtf/owtf,DarKnight--/owtf