/usr/lib/python3/dist-packages/mpi4py/include/ is in python3-mpi4py 1.3.1+hg20131106-2.
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/usr/lib/python3/dist-packages/mpi4py/include/mpi4py/
/usr/lib/python3/dist-packages/mpi4py/include/mpi4py/MPI.pxd
/usr/lib/python3/dist-packages/mpi4py/include/mpi4py/__init__.pxd
/usr/lib/python3/dist-packages/mpi4py/include/mpi4py/__init__.pyx
/usr/lib/python3/dist-packages/mpi4py/include/mpi4py/libmpi.pxd
/usr/lib/python3/dist-packages/mpi4py/include/mpi4py/mpi.pxi
/usr/lib/python3/dist-packages/mpi4py/include/mpi4py/mpi4py.MPI.h
/usr/lib/python3/dist-packages/mpi4py/include/mpi4py/mpi4py.MPI_api.h
/usr/lib/python3/dist-packages/mpi4py/include/mpi4py/mpi4py.h
/usr/lib/python3/dist-packages/mpi4py/include/mpi4py/mpi4py.i
/usr/lib/python3/dist-packages/mpi4py/include/mpi4py/mpi_c.pxd