Change Heroku import in setting

latihan1/settings.py

@@ -11,7 +11,11 @@ https://docs.djangoproject.com/en/1.11/ref/settings/
 """
 
 import os
-import django_heroku
+
+if 'I_AM_HEROKU' in os.environ:
+    # Configure Django App for Heroku.
+    import django_heroku
+    django_heroku.settings(locals())
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))