(westpa-2.0) [ft18983@bc4login2 ChemDyME_NA_OSE]$ w_direct all -a ANALYSIS/TEST/assign.h5 -W west.h5 -o direct.h5 --step-iter 1


    sys.exit(load_entry_point('westpa', 'console_scripts', 'w_direct')())
  File "/mnt/storage/scratch/ft18983/Neuraminidase/westpa/src/westpa/cli/tools/w_direct.py", line 543, in entry_point
    WDirect().main()/scratch/ft18983/miniconda3/envs/westpa-2.0/bin/w_direct", line 33, in <module>=================================================================================]
  File "/mnt/storage/scratch/ft18983/Neuraminidase/westpa/src/westpa/tools/core.py", line 171, in main
    self.go()
  File "/mnt/storage/scratch/ft18983/Neuraminidase/westpa/src/westpa/tools/core.py", line 340, in go
    self._subcommand.go()
  File "/mnt/storage/scratch/ft18983/Neuraminidase/westpa/src/westpa/cli/tools/w_direct.py", line 506, in go
    self.w_kinavg()
  File "/mnt/storage/scratch/ft18983/Neuraminidase/westpa/src/westpa/cli/tools/w_direct.py", line 253, in w_kinavg
    pops = h5io.IterBlockedDataset(self.assignments_file['labeled_populations'])
  File "/mnt/storage/scratch/ft18983/Neuraminidase/westpa/src/westpa/core/h5io.py", line 536, in __init__
    self.iter_start = attrs['iter_start']
  File "h5py/_objects.pyx", line 54, in h5py._objects.with_phil.wrapper
  File "h5py/_objects.pyx", line 55, in h5py._objects.with_phil.wrapper
  File "/mnt/storage/scratch/ft18983/miniconda3/envs/westpa-2.0/lib/python3.8/site-packages/h5py/_hl/attrs.py", line 56, in __getitem__
    attr = h5a.open(self._id, self._e(name))
  File "h5py/_objects.pyx", line 54, in h5py._objects.with_phil.wrapper
  File "h5py/_objects.pyx", line 55, in h5py._objects.with_phil.wrapper
  File "h5py/h5a.pyx", line 80, in h5py.h5a.open
KeyError: "Can't open attribute (can't locate attribute: 'iter_start')"