text: '''
  Declare which database tables are visible from Django's default admin interface. 
  
  This file was initially created by Django
  '''
  from tracker.models import Task, Feature, System, TaskEntry, Calibration, DataFile, Subject, Sequence, Generator, AutoAlignment, Decoder
  from django.contrib import admin
  from django.db.models.signals import post_delete
  from django.dispatch.dispatcher import receiver
  
  @receiver(post_delete, sender=DataFile)
  def _mymodel_delete(sender, instance, **kwargs):
      instance.remove()
      
  admin.site.register(Task)
  admin.site.register(Feature)
  admin.site.register(System)
  admin.site.register(TaskEntry)
  admin.site.register(Calibration)
  admin.site.register(DataFile)
  admin.site.register(Subject)
  admin.site.register(Sequence)
  admin.site.register(Generator)
  admin.site.register(AutoAlignment)
  admin.site.register(Decoder)
  