Be more robust in case of failure during translation activation in case of extraction errors (suspecting fragile behavior of setuptools in case multiple processes are performing concurrent extractions, like this can happen at server startup).
Be more robust in case of failure during translation activation in case of extraction errors (suspecting fragile behavior of setuptools in case multiple processes are performing concurrent extractions, like this can happen at server startup).

Fixes #9107.

pkdevbox/trac,pkdevbox/trac,pkdevbox/trac,pkdevbox/trac