out = tempfile.NamedTemporaryFile both creates and opens the file
open(out.name) is permitted on Linux but not in Windows for a file already open.
using Anaconda3 with latest mdtraj
import nglutils.nglutils as ngu
Produces error
from .dcd import DCDTrajectoryFile
ValueError: numpy.ndarray size changed, may indicate binary incompatibility. Expected 88 from C header, got 80 from PyObject