prefix xx @ xx: ~ $ does not automatically return after use curses programme. every time I push on the enter of my keyboard, the prefix becomes in again in the horizontal direction, in case of vertical. Commands that are typed are not visible as well.

Reproducible: Always

Steps to Reproduce:
Python 2.7.3 (default, Aug  1 2012, 05:16:07) 
[GCC 4.6.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import curses
>>>curses.initscr()
>>>quit()

now the problem is reproduced.
Actual Results:  
every time I push on the enter of my keyboard, the prefix becomes in again in the horizontal direction, in case of vertical. Commands that are typed are not visible as well.

Expected Results:  
- Commands that are visible after executing a curses programme.
- At every push on enter, an extra prefix is added at the bottom of the terminal.