tidy up table image dlocks

anatomy/tables.py

@@ -1,6 +1,8 @@
 import django_tables2 as tables
 from django_tables2.utils import A
 
+from generic.tables import SingleImageColumn
+
 from .models import AnatomyQuestion, UserAnswer
 
 from django.utils.html import format_html
@@ -11,16 +13,6 @@ from easy_thumbnails.exceptions import InvalidImageFormatError
 
 #from generic.tables import UserAnswerTable
 
-
-class ImageColumn(tables.Column):
-    def render(self, value):
-        try:
-            thumbnailer = get_thumbnailer(value)
-            return format_html('<img src="/media/{}" />', thumbnailer["exam-list"])
-        except InvalidImageFormatError:
-            return format_html('<span title="{}">Invalid image url<span>', value)
-
-
 class AnatomyQuestionTable(tables.Table):
     edit = tables.LinkColumn(
         "anatomy:anatomy_question_update", text="Edit", args=[A("pk")], orderable=False
@@ -28,7 +20,7 @@ class AnatomyQuestionTable(tables.Table):
     view = tables.LinkColumn(
         "anatomy:question_detail", text="View", args=[A("pk")], orderable=False
     )
-    image = ImageColumn("image", orderable=False)
+    image = SingleImageColumn("image", orderable=False)
     # clone = tables.LinkColumn('anatomy:anatomy_question_clone',
     #                          text='Clone',
     #                          args=[A('pk')],