The upstream code uses the ObjectNormalizer class, and the Serializer
manual explicitly says that in this case the PropertyAccess component
must also be installed, see
https://symfony.com/doc/current/components/serializer.html#installation
Ensure that by depending explicitly on php-symfony-property-access, as
suggested in https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=824175
Package: tweeper
Architecture: all
-Depends: ${misc:Depends}, php-cli, php-curl, php-xsl, php-symfony-serializer
+Depends: ${misc:Depends}, php-cli, php-curl, php-xsl, php-symfony-serializer,
+ php-symfony-property-access
Suggests: libapache2-mod-php | php-cgi
Description: web scraper to convert supported websites (e.g. Twitter.com) to RSS
tweeper is a web scraper which can be used to conveniently follow the