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.


git-svn-id: eda3d06fcef731589ace1b284159cead3416df9b@9426 af82e41b-90c4-0310-8c96-b1721e28e2e2

jun66j5/trac-ja,walty8/trac,netjunki/trac-Pygit2,jun66j5/trac-ja,walty8/trac,netjunki/trac-Pygit2,walty8/trac,jun66j5/trac-ja,jun66j5/trac-ja,walty8/trac,netjunki/trac-Pygit2