Update ase.py

Author: samwaseda

pylammpsmpi/wrapper/ase.py

@@ -278,8 +278,6 @@ def interactive_structure_setter(
  command=f"mass {id_eam + 1:3d} {1.00:f}",
  )
  positions = _vector_to_lammps(vector=structure.positions, prism=self._prism)
- if positions is None:
- positions = structure.positions.flatten()
  velocities = _vector_to_lammps(
  vector=structure.get_velocities(),
  prism=self._prism,
@@ -478,7 +476,7 @@ def cell_is_skewed(cell, tolerance=1.0e-8):
 
 
 def _vector_to_lammps(vector, prism):
- if vector is not None and np.any(vector):
+ if vector is not None:
  if not _check_ortho_prism(prism=prism):
  vector = prism.vector_to_lammps(vector)
  return vector.flatten()