working, passing tests in django 3.2

survey/apps.py

@@ -1,4 +1,4 @@
 from django.apps import AppConfig
 
 class SurveyConfig(AppConfig):
-    name = 'app'
+    name = 'survey'

survey/models.py

@@ -49,7 +49,7 @@ class Response(models.Model):
     video = models.BooleanField(default=False,verbose_name='Video Analysis')
     interval = models.BooleanField(default=False,verbose_name='Interval editor')
 
-    capabilities = models.NullBooleanField(default=None,null=True,blank=True,
+    capabilities = models.BooleanField(default=None,null=True,blank=True,
                                            verbose_name='Did you get the capabilities and features that you expected out of Rowsandall')
 
     fallshort = models.TextField(max_length=500,blank=True,verbose_name='Where did Rowsandall fall short of your expectations?')