Hello, Simon McVittie, on mer. 17 janv. 2018 12:38:51 +0000, wrote: > On Wed, 30 Aug 2017 at 22:33:18 -0400, Aaron M. Ucko wrote: > > ImportError: This platform lacks a functioning sem_open implementation, > > therefore, the required synchronization primitives needed will not > > function, see issue 3770. > > I think this is #796833 "process-shared semaphores/mutexes not > implemented"? Very probably. Samuel