In phono3py.produce_fc2, phonon_displacement_dataset for fc2 is used if it exists otherwise displacement_dataset for fc3 is used.
In phono3py.produce_fc2, phonon_displacement_dataset for fc2 is used if it exists otherwise displacement_dataset for fc3 is used.

atztogo/phono3py,atztogo/phono3py,atztogo/phono3py,atztogo/phono3py