Link-checker not working
On pops-test and on production, the online link checker in the dataset edit page does not seem to work. E.g. if we add a HTML link as a resource, and click "Preveri" button, the results are:
- Error
Error with the request: __str__ returned non-string (type Error)
on pops-test - Error
Connection error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:618)
on production if testing an uploaded file - Untested on current vagrant deploy - should be checked
The latter is probably a config problem and not a code bug. I've added a commit for extended proxy support in link checker requests, if they perhaps lack this and cannot communicate outside: 151d3ee6 But probably they should work since in production, link checking of external sources seems to work.