Dear ALPS team, I have recently installed alps to use CT_QMC. Running tutorial1.py in the alps/tutorials/hybridization-01-python results $ alpspython tutorial1.py Traceback (most recent call last): File "tutorial1.py", line 49, in <module> import pyalps.mpi as mpi # MPI library (required) File "/home/fheydari/MPS/lib/pyalps/mpi.py", line 39, in <module> from boost.mpi import * ImportError: No module named boost.mpi $ mpirun -np 2 alpspython tutorial1.py /opt/intel/composer_xe_2013.2.146/mpirt/bin/intel64/mpirun: 96: .: Can't open /opt/intel/composer_xe_2013.2.146/mpirt/bin/intel64/mpivars.sh While i have installed mpi: $ which mpirun /opt/intel/composer_xe_2013.2.146/mpirt/bin/intel64/mpirun As I know from the Documentation – Hybridization Expansion CT-QMC solver version 3.0b1 Emanuel Gull, Hartmut Hafermann, and Philipp Werner MPI is required. Would you please help me to resolve this issue? Best regards, Fatemeh -- Fateme Heydari-Nasab, Ph.D. University of Sistan and Baluchestan University Blvd, Zahedan, Iran PoBox: 98155-987 Tel: +98-54-31136391 https://www.usb.ac.ir/astaff/fheydari Email: fheydari@phys.usb.ac.ir fatiheydaree@gmail.com