==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.2.1
- Deployed with iRedMail Easy or the downloadable installer?
- Linux/BSD distribution name and version: xubuntu 20.04
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): mariadb
- Web server (Apache or Nginx): nginx
- Manage mail accounts with iRedAdmin-Pro? nope
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

I cant get 1.2.1 (newest) to install on Xubuntu 20.04 (newest ubuntu release)

console log:
< Question > Continue? [y|N]y
[ INFO ] Installing package(s): postfix postfix-pcre libsasl2-modules mariadb-client mariadb-server postfix-mysql libdbd-mysql-perl php-cli php-fpm php-json php-gd php-curl mcrypt php-intl php-xml php-mbstring php-mysql nginx-full dovecot-imapd dovecot-pop3d dovecot-lmtpd dovecot-managesieved dovecot-sieve dovecot-mysql amavisd-new libcrypt-openssl-rsa-perl libmail-dkim-perl clamav-freshclam clamav-daemon spamassassin altermime arj nomarch cpio lzop cabextract p7zip-full rpm libmail-spf-perl unrar-free pax lrzip libclamunrar9 mlmmj python-sqlalchemy python-dnspython python-mysqldb python-pymysql python-jinja2 python-netifaces python-pycurl python-requests uwsgi uwsgi-plugin-python python-pip python-bcrypt fail2ban geoip-bin geoip-database zlib1g libuuid1 libmnl0 curl lm-sensors netcat bzip2 acl patch cron tofrodos logwatch unzip bsdutils liblz4-tool
Reading package lists...
Building dependency tree...
Reading state information...
Package python-mysqldb is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'python-mysqldb' has no installation candidate
E: Unable to locate package python-pymysql
E: Unable to locate package python-requests
E: Unable to locate package uwsgi-plugin-python
E: Unable to locate package python-pip
<< ERROR >> Installation failed, please check the terminal output.
<< ERROR >> If you're not sure what the problem is, try to get help in iRedMail
<< ERROR >> forum: https://forum.iredmail.org/