Dear all

when I run the scrip demo_parallel_laplacian.py
I get the following error


initializing ...
numthread = 1
initializing ...
numthread = 1
initializing ...
numthread = 1
initializing ...
numthread = 1
*** The MPI_Comm_rank() function was called before MPI_INIT was invoked.
*** This is disallowed by the MPI standard.
*** Your MPI job will now abort.
[cdragon004:224713] Local abort before MPI_INIT completed completed 
successfully, but am not able to aggregate error messages, and not able to 
guarantee that all other processes were killed!
*** The MPI_Comm_rank() function was called before MPI_INIT was invoked.
*** This is disallowed by the MPI standard.
*** Your MPI job will now abort.
[cdragon004:224714] Local abort before MPI_INIT completed completed 
successfully, but am not able to aggregate error messages, and not able to 
guarantee that all other processes were killed!
*** The MPI_Comm_rank() function was called before MPI_INIT was invoked.
*** This is disallowed by the MPI standard.
*** Your MPI job will now abort.
[cdragon004:224715] Local abort before MPI_INIT completed completed 
successfully, but am not able to aggregate error messages, and not able to 
guarantee that all other processes were killed!
*** The MPI_Comm_rank() function was called before MPI_INIT was invoked.
*** This is disallowed by the MPI standard.
*** Your MPI job will now abort.
[cdragon004:224716] Local abort before MPI_INIT completed completed 
successfully, but am not able to aggregate error messages, and not able to 
guarantee that all other processes were killed!

Any idea how I could address this issue?

Thank you
Regards
Anne-Cecile


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