Bug#1017356: libpmix2: symbol lookup error: /usr/lib/x86_64-linux-gnu/openmpi/lib/openmpi3/mca_pmix_ext3x.so: undefined symbol: pmix_value_load

[Drew Parsons]

Source: pmix
Followup-For: Bug #1017356

Hi Alistair, for future version upgrades of pmix, ucx, openmpi,
especially rc releases, would it be possible
to upload first to experimental and check that mpi4py passes tests
before triggering the version transition in unstable?

Cheers, 
Drew