Please make sure that you learn how to format the code and the error messages in this forum.
There are plenty of posts about reading gmsh files in dolfin. For instance see Transitioning from mesh.xml to mesh.xdmf, from dolfin-convert to meshio , which is literally the most read topic in this forum. It’s a very long post, so you may want to start reading it from the very end to get the latest updates first.