This bug was fixed in the package apturl - 0.5.2ubuntu15
--------------- apturl (0.5.2ubuntu15) cosmic; urgency=medium
* Make Synaptic backend actually work (LP: #1338482).
-- Vlad Orlov <email address hidden> Sat, 21 Apr 2018 11:25:24 +0300
This bug was fixed in the package apturl - 0.5.2ubuntu15
---------------
apturl (0.5.2ubuntu15) cosmic; urgency=medium
* Make Synaptic backend actually work (LP: #1338482).
-- Vlad Orlov <email address hidden> Sat, 21 Apr 2018 11:25:24 +0300