webmin 1.70 wil not install

# dpkg --configure -a
Setting up webmin (1.760) ...
^Cdpkg: error processing webmin (--configure):
subprocess installed post-installation script was interrupted
Errors were encountered while processing:
webmin

================ strace shows ==============================

wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 22061
stat("/tmp/.webmin", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/webmin-setup.out", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
fcntl(1, F_DUPFD, 10) = 11
close(1) = 0
fcntl(11, F_SETFD, FD_CLOEXEC) = 0
dup2(3, 1) = 1
close(3) = 0
fcntl(2, F_DUPFD, 10) = 12
close(2) = 0
fcntl(12, F_SETFD, FD_CLOEXEC) = 0
dup2(1, 2) = 2
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fc2eac249d0) = 22062
wait4(-1,

================= webmin-setup.out ====================

# cat /webmin-setup.out
***********************************************************************
* Welcome to the Webmin setup script, version 1.760 *
***********************************************************************
Webmin is a web-based interface that allows Unix-like operating
systems and common Unix services to be easily administered.

Installing Webmin in /usr/share/webmin ...

***********************************************************************
Webmin uses separate directories for configuration files and log files.
Unless you want to run multiple versions of Webmin at the same time
you can just accept the defaults.

Config file directory [/etc/webmin]: Found existing Webmin configuration in /etc/webmin

Creating start and stop scripts..
..done

Updating config files..
..done

Configuring Webmin to start at boot time..
Created init script /etc/init.d/webmin
..done

Changing ownership and permissions ..
..done

Running postinstall scripts ..