Python linear algebra functionality test fails with more than one process on Stampede2

[HaoTy]

ctf/test/python/test_la.py fails on Stampede2 when more than one process is involved. Even using only 1 node, 16 ppn or 64 ppn failed with

===================================================================================
=   BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
=   PID 239679 RUNNING AT c456-023
=   EXIT CODE: 11
=   CLEANING UP REMAINING PROCESSES
=   YOU CAN IGNORE THE BELOW CLEANUP MESSAGES
===================================================================================
   Intel(R) MPI Library troubleshooting guide:
      https://software.intel.com/node/561764
===================================================================================
TACC:  MPI job exited with code: 11 
TACC:  Shutdown complete. Exiting. 

The test passed on 1 node 1 ppn with an idev -N 1 -n1 session. It seems the error comes from test_eigh.