Update the wicd-curses client to work with urwid-1.3.  Based on a patch from:
http://technik.blogbasis.net/wicd-curses-fix-fuer-attributeerror-screen-object-no-attribute-get_input_nonblocking-04-12-2014

--- wicd-1.7.3/curses/wicd-curses.py.orig	2014-12-21 14:40:46.000000000 -0500
+++ wicd-1.7.3/curses/wicd-curses.py	2015-02-05 23:41:17.530901204 -0500
@@ -1153,9 +1153,10 @@
         if not ui._started:
             return False
 
-        input_data = ui.get_input_nonblocking()
+        ui.set_input_timeouts(max_wait=0)
+        input_data = ui.get_input()
         # Resolve any "alarms" in the waiting
-        self.handle_keys(input_data[1])
+        self.handle_keys(input_data)
 
         # Update the screen
         canvas = self.frame.render((self.size), True)
rm.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=2c5bba139237bb19ab4061452eeb3e7fdcdb1142'>refs</a><a class='active' href='/guix/log/gnu/tests/ssh.scm?showmsg=1'>log</a><a href='/guix/tree/gnu/tests/ssh.scm?id=2c5bba139237bb19ab4061452eeb3e7fdcdb1142'>tree</a><a href='/guix/commit/gnu/tests/ssh.scm?id=2c5bba139237bb19ab4061452eeb3e7fdcdb1142'>commit</a><a href='/guix/diff/gnu/tests/ssh.scm?id=2c5bba139237bb19ab4061452eeb3e7fdcdb1142'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/tests/ssh.scm'>
<input type='hidden' name='id' value='2c5bba139237bb19ab4061452eeb3e7fdcdb1142'/><input type='hidden' name='showmsg' value='1'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=2c5bba139237bb19ab4061452eeb3e7fdcdb1142&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=2c5bba139237bb19ab4061452eeb3e7fdcdb1142&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/tests?id=2c5bba139237bb19ab4061452eeb3e7fdcdb1142&amp;showmsg=1'>tests</a>/<a href='/guix/log/gnu/tests/ssh.scm?id=2c5bba139237bb19ab4061452eeb3e7fdcdb1142&amp;showmsg=1'>ssh.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/tests/ssh.scm?id=2c5bba139237bb19ab4061452eeb3e7fdcdb1142'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2020-04-21 16:33:21 +0200'>2020-04-21</span></td><td class='logsubject'><a href='/guix/commit/gnu/tests/ssh.scm?id=a295a1ca2942794ac52321a639128f94be595ac5'>tests: ssh: Explicitly wait for port 22.</a></td><td>Ludovic Courtès</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
Previously we could occasionally try to connect before the server is
actually listening, both for OpenSSH and Dropbear.

* gnu/tests/ssh.scm (run-ssh-test)["wait for port 22"]: New test.


</td></tr>
<tr class='logheader'><td><span title='2019-05-09 12:11:36 +0200'>2019-05-09</span></td><td class='logsubject'><a href='/guix/commit/gnu/tests/ssh.scm?id=e6b1a2248ff164e14d1b2f495224faf8a8326142'>services: Log-in services now require "pam_loginuid".</a></td><td>Ludovic Courtès</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
Fixes &lt;https://bugs.gnu.org/35553&gt;.
Reported by Bruno Haible &lt;bruno@clisp.org&gt;.

* gnu/services/base.scm (login-pam-service): Pass #:login-uid? #t to
'unix-pam-service'.
* gnu/services/ssh.scm (lsh-pam-services, openssh-pam-services):
Likewise.
* gnu/services/xorg.scm (slim-pam-service): Likewise.
(gdm-pam-service): Likewise for "gdm-autologin" and "gdm-password".
* gnu/tests/base.scm (run-basic-test)["getlogin on tty1"]: New test.
* gnu/tests/ssh.scm (run-ssh-test): Add #:test-getlogin? parameter.
["getlogin"]: New test.
(%test-dropbear): Pass #:test-getlogin? #f.


</td></tr>