--- /lammps/python/examples/simple.py	2019-09-20 09:51:15.000000000 -0600
+++ /lammps/python/examples/simple.py	2019-09-23 16:58:28.950720810 -0600
@@ -1,4 +1,4 @@
-#!/usr/bin/env python -i
+#!/usr/bin/python3
 # preceding line should have path for Python on your machine
 
 # simple.py
@@ -28,12 +28,12 @@
 me = 0
 
 # uncomment this if running in parallel via mpi4py
-#from mpi4py import MPI
-#me = MPI.COMM_WORLD.Get_rank()
-#nprocs = MPI.COMM_WORLD.Get_size()
+from mpi4py import MPI
+me = MPI.COMM_WORLD.Get_rank()
+nprocs = MPI.COMM_WORLD.Get_size()
 
 from lammps import lammps
-lmp = lammps()
+lmp = lammps("mpi")
 
 # run infile one line at a time
 
@@ -85,7 +85,7 @@
 # test of new gather/scatter and box extract/reset methods
 # can try this in parallel and with/without atom_modify sort enabled
 
-lmp.command("write_dump all custom tmp.simple id type x y z fx fy fz");
+#lmp.command("write_dump all custom tmp.simple id type x y z fx fy fz");
 
 x = lmp.gather_atoms("x",1,3)
 f = lmp.gather_atoms("f",1,3)
@@ -123,10 +123,10 @@
 boxlo,boxhi,xy,yz,xz,periodicity,box_change = lmp.extract_box()
 if me == 0: print("Box info",boxlo,boxhi,xy,yz,xz,periodicity,box_change)
 
-lmp.reset_box([0,0,0],[10,10,8],0,0,0)
+#lmp.reset_box([0,0,0],[10,10,8],0,0,0)
 
-boxlo,boxhi,xy,yz,xz,periodicity,box_change = lmp.extract_box()
-if me == 0: print("Box info",boxlo,boxhi,xy,yz,xz,periodicity,box_change)
+#boxlo,boxhi,xy,yz,xz,periodicity,box_change = lmp.extract_box()
+#if me == 0: print("Box info",boxlo,boxhi,xy,yz,xz,periodicity,box_change)
 
 # uncomment if running in parallel via mpi4py
-#print("Proc %d out of %d procs has" % (me,nprocs), lmp)
+print("Proc %d out of %d procs has" % (me,nprocs), lmp)
--- /lammps/python/examples/in.simple	2019-10-02 16:09:55.198770328 -0600
+++ /lammps/python/examples/in.simple	2019-10-02 16:10:21.263332834 -0600
@@ -5,7 +5,7 @@ atom_style	atomic
 atom_modify	map array
 
 lattice		fcc 0.8442
-region		box block 0 4 0 4 0 4
+region		box block 0 120 0 120 0 120
 create_box	1 box
 create_atoms	1 box
 mass		1 1.0
