old_contents: from django.contrib import admin
  
  from models import DataPoint
  
  
  class DataPointAdmin(admin.ModelAdmin):
      list_display = ("name", "exact_name", "options", "band_gap")
  
  
  admin.site.register(DataPoint, DataPointAdmin)
  
new_contents: from django.contrib import admin
  
  from models import DataPoint, FeatureVector, Predictor
  
  
  class DataPointAdmin(admin.ModelAdmin):
      list_display = ("name", "exact_name", "options", "band_gap")
  
  
  class FeatureVectorAdmin(admin.ModelAdmin):
      list_display = ("datapoint", "type")
  
  
  class PredictorAdmin(admin.ModelAdmin):
      list_display = ("pickle", "homo_error", "lumo_error", "gap_error", "created")
  
  
  admin.site.register(DataPoint, DataPointAdmin)
  admin.site.register(FeatureVector, FeatureVectorAdmin)
  admin.site.register(Predictor, PredictorAdmin)
subject: Add feature vectors and predictors to the admin page