Martin Panter added the comment:

Is this actually about how SIGWINCH handlers are installed, or is it a 
complaint about readline affecting how curses handles resize events? I am 
assuming this is about handling resize events, so is a duplicate of Issue 2675.

If it is specifically about SIGWINCH, I understand Gnu Readline recently 
changed its SIGWINCH handling so that it only installs the handler when it is 
active. As a result, we recently changed Python to install its own SIGWINCH 
handler on behalf of Readline (Issue 23735). But I understand in both cases, 
the handler for Readline chain calls the original handler, so there should be 
no problem.

----------
nosy: +martin.panter
resolution:  -> duplicate
status: open -> closed
superseder:  -> Curses terminal resize problems when Python is in interactive 
mode

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<http://bugs.python.org/issue3948>
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