No results in istio importer

[Hritik14]

After running python manage.py import istio it says "Successfully imported data from istio" but nothing seems to have been imported.
There is a view from the web terminal.

[Hritik14]

Digging further, the entries were never commited to the database. I'll keep looking.

vulnerablecode=# select * from vulnerabilities_importer where last_run is not null;
 id | name  |  license   |             last_run             |   data_source   |                                                                                
   data_source_cfg                                                                                    
----+-------+------------+----------------------------------+-----------------+--------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------
 27 | istio | apache-2.0 | 2021-03-21 05:59:46.318753+05:30 | IstioDataSource | {"branch": null, "repository_url": "https://github.com/istio/istio.io", "workin
g_directory": "/tmp/tmps00n55kn", "create_working_directory": true, "remove_working_directory": true}
(1 row)

vulnerablecode=# select * from vulnerabilities_vulnerability;
 id | vulnerability_id | old_vulnerability_id | summary 
----+------------------+----------------------+---------
(0 rows)

vulnerablecode=# select * from vulnerabilities_vulnerabilityreference;
 id | source | reference_id | url | vulnerability_id 
----+--------+--------------+-----+------------------
(0 rows)

vulnerablecode=# select * from vulnerabilities_package;
 id | type | namespace | name | version | subpath | qualifiers 
----+------+-----------+------+---------+---------+------------
(0 rows)