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)
d'>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=248af68449e33c621afbff9d05bcb77d1097c1d6'>refs</a><a class='active' href='/guix/log/gnu/system/pam.scm'>log</a><a href='/guix/tree/gnu/system/pam.scm?id=248af68449e33c621afbff9d05bcb77d1097c1d6'>tree</a><a href='/guix/commit/gnu/system/pam.scm?id=248af68449e33c621afbff9d05bcb77d1097c1d6'>commit</a><a href='/guix/diff/gnu/system/pam.scm?id=248af68449e33c621afbff9d05bcb77d1097c1d6'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/system/pam.scm'>
<input type='hidden' name='id' value='248af68449e33c621afbff9d05bcb77d1097c1d6'/><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=248af68449e33c621afbff9d05bcb77d1097c1d6'>root</a>/<a href='/guix/log/gnu?id=248af68449e33c621afbff9d05bcb77d1097c1d6'>gnu</a>/<a href='/guix/log/gnu/system?id=248af68449e33c621afbff9d05bcb77d1097c1d6'>system</a>/<a href='/guix/log/gnu/system/pam.scm?id=248af68449e33c621afbff9d05bcb77d1097c1d6'>pam.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/system/pam.scm?id=248af68449e33c621afbff9d05bcb77d1097c1d6&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-05-08 16:30:50 +0200'>2020-05-08</span></td><td><a href='/guix/commit/gnu/system/pam.scm?id=dd0804c67e99914eecc471fdb92f4220425a1cbc'>services: Add descriptions.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/dbus.scm (polkit-service-type)[description]: New field.
* gnu/services/dict.scm (dicod-service-type)[description]: New field.
* gnu/services/dns.scm (knot-service-type)[description]: New field.
* gnu/services/networking.scm (dhcpd-service-type)[description]: New field.
* gnu/services/shepherd.scm (shepherd-root-service-type)[description]:
New field.
* gnu/services/xorg.scm (slim-service-type)[description]: New field.
(screen-locker-service-type)[description]: New field.
* gnu/system/pam.scm (pam-root-service-type)[description]: New field.
* gnu/system/shadow.scm (account-service-type)[description]: New field.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-05-09 12:11:36 +0200'>2019-05-09</span></td><td><a href='/guix/commit/gnu/system/pam.scm?id=af55ca481d9e6c1d1e06632f96d550b42f33210f'>system: pam: Add #:login-uid? parameter to 'unix-pam-service'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/pam.scm (unix-pam-service): Add #:login-uid? parameter.  In
then 'session' field, add "pam_loginuid.so" as required when LOGIN-UID?
is true.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-09-22 00:05:08 +0200'>2017-09-22</span></td><td><a href='/guix/commit/gnu/system/pam.scm?id=fbc31dc1247d3a494246e69f3cf28476af9eb9d6'>services: Move 'session-environment-service-type' to pam.scm.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/base.scm (environment-variables-&gt;environment-file)
(session-environment-service-type)
(session-environment-service): Move to...
* gnu/system/pam.scm: ... here.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-05-08 23:11:01 +0200'>2017-05-08</span></td><td><a href='/guix/commit/gnu/system/pam.scm?id=e586257b550918fefaab3970f2c314d6285f54ab'>system: Allow root to run "su" without password.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/pam.scm (unix-pam-service): Add pam-entry for "pam_rootok.so" to
auth field when ALLOW-ROOT? is #T.
(base-pam-services): Allow root to run "su" without authentication.
</span></span></td><td>Ricardo Wurmus</td></tr>