diff --git a/morango/__init__.py b/morango/__init__.py
index d2d00e1..777f190 100644
--- a/morango/__init__.py
+++ b/morango/__init__.py
@@ -1,2 +1 @@
-default_app_config = "morango.apps.MorangoConfig"
 __version__ = "0.8.0"
diff --git a/morango/constants/transfer_stages.py b/morango/constants/transfer_stages.py
index a93c69e..a1a4499 100644
--- a/morango/constants/transfer_stages.py
+++ b/morango/constants/transfer_stages.py
@@ -1,7 +1,7 @@
 """
 This module contains constants representing the possible stages of a transfer session.
 """
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 INITIALIZING = "initializing"
 SERIALIZING = "serializing"
diff --git a/morango/constants/transfer_statuses.py b/morango/constants/transfer_statuses.py
index ee896c8..f2547f1 100644
--- a/morango/constants/transfer_statuses.py
+++ b/morango/constants/transfer_statuses.py
@@ -1,7 +1,7 @@
 """
 This module contains constants representing the possible statuses of a transfer session stage.
 """
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 PENDING = "pending"
 STARTED = "started"