fix script galleries attribute error

itf/scriptbank/models.py

@@ -4,6 +4,7 @@ from tagging.fields import TagField
 from django.core.paginator import Paginator, InvalidPage, EmptyPage
 from app.models import ItfModel
 from itfprofiles.models import TheatreGroup
+from mediagallery.models import GalleryAlbum
 
 GENRES = (
     ('Fiction', 'Fiction'),
@@ -44,6 +45,7 @@ class Script(ItfModel):
     fk_fields = ['license_adapt', 'license_perform']  
     theatre_group = models.ForeignKey(TheatreGroup, help_text="Theatre Group, if any")
     related_scripts = models.ManyToManyField("Script", through="ScriptScript", related_name='related_script')
+    galleries = generic.GenericRelation(GalleryAlbum)
 #  add_form = 'ScriptForm'
 
   #Meta