Fixed #15565: Ensure terminal echo is on after reloader reloads (something...

Fixed #15565: Ensure terminal echo is on after reloader reloads (something turns it off on some systems if reload happens while at a pdb prompt). Thanks for the report zimnyx.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@15883 bcc190cf-cafb-0310-a4f2-bffc1f526a37