Some language models at hu-berlin no longer available

[DavidFarago]

The tests use scorer = FlairScorer(lang="multi-v0", fast=True), but then this project tries to download the language model from a stale url at hu-berlin. Switching to scorer = FlairScorer(lang="de", fast=True) leads to the same problem.

As workaround, you could use the standard German language model by using scorer = FlairScorer(lang="de"), as production does.