Fix bug of djangoHeroku import in wrong file.

backend/secfit/secfit/djangoHeroku.py

@@ -3,7 +3,6 @@ import os
 
 import dj_database_url
 from django.test.runner import DiscoverRunner
-from .djangoHeroku import settings
 
 
 MAX_CONN_AGE = 600

backend/secfit/secfit/settings.py

@@ -12,6 +12,8 @@ https://docs.djangoproject.com/en/3.1/ref/settings/
 
 from pathlib import Path
 import os
+from .djangoHeroku import settings
+
 
 
 # Get the GROUPID variable to accept connections from the application server and NGINX