demos failed opening xml.gz files

[Charles Wang]

python demo_elastodynamics.py

Traceback (most recent call last):

File "demo_elastodynamics.py", line 84, in <module> mesh = Mesh("../dolfin_fine.xml.gz")

File "/home/charles/opt/fenics-dev/2q6i7zq2gjlk/master/lib/python2.7/site-packages/dolfin/mesh/meshes.py", line 63, in init cpp.Mesh.cppinit(self, args, *kwargs)

File "/home/charles/opt/fenics-dev/2q6i7zq2gjlk/master/lib/python2.7/site-packages/dolfin/cpp/mesh.py", line 1964, in init _mesh.Mesh_swiginit(self,_mesh.new_Mesh(*args))

RuntimeError: gzip error: iostream error

Aborted (core dumped)

[Prof Garth Wells]

I presume that you cloned the DOLFIN repository, and that you don't have git lfs installed?

[Charles Wang]

Thank you Garth, that's true, no git-lfs installed.

[Charles Wang]

Not a bug. Need git-lfs.