diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a79064..867056a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+* remove deprecation warnings
+
 ### Removed
 
 * dropped support for python `2.7` and `3.5`
diff --git a/test_proj/manage.py b/test_proj/manage.py
index aa173cf..42cd55b 100755
--- a/test_proj/manage.py
+++ b/test_proj/manage.py
@@ -3,7 +3,7 @@
 import sys
 
 if __name__ == "__main__":
-    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "settings")
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "test_proj.settings")
     sys.path.append(os.pardir)
 
     from django.core.management import execute_from_command_line
diff --git a/test_proj/urls.py b/test_proj/urls.py
index 0e56422..64574e9 100644
--- a/test_proj/urls.py
+++ b/test_proj/urls.py
@@ -1,9 +1,9 @@
-from django.conf.urls import url
+from django.conf.urls import re_path
 from django.contrib import admin
 
 from .media_library.views import VideoFormView
 
 urlpatterns = [
-    url(r'^admin/', admin.site.urls),
-    url(r'^', VideoFormView.as_view()),
+    re_path(r'^admin/', admin.site.urls),
+    re_path(r'^$', VideoFormView.as_view()),
 ]
diff --git a/video_encoding/admin.py b/video_encoding/admin.py
index faf149f..f0d7878 100644
--- a/video_encoding/admin.py
+++ b/video_encoding/admin.py
@@ -10,7 +10,7 @@ class FormatInline(admin.GenericTabularInline):
     extra = 0
     max_num = 0
 
-    def has_add_permission(self, *args):
+    def has_add_permission(self, *args, **kwargs):
         return False
 
     def has_delete_permission(self, *args, **kwargs):
diff --git a/video_encoding/backends/__init__.py b/video_encoding/backends/__init__.py
index 64c5a2e..028074a 100644
--- a/video_encoding/backends/__init__.py
+++ b/video_encoding/backends/__init__.py
@@ -2,10 +2,10 @@
 from django.utils.module_loading import import_string
 from django.utils.translation import ugettext_lazy as _
 
-from ..config import settings
-
 
 def get_backend_class():
+    from ..config import settings
+
     try:
         cls = import_string(settings.VIDEO_ENCODING_BACKEND)
     except ImportError as e:
@@ -18,5 +18,7 @@ def get_backend_class():
 
 
 def get_backend():
+    from ..config import settings
+
     cls = get_backend_class()
     return cls(**settings.VIDEO_ENCODING_BACKEND_PARAMS)
diff --git a/video_encoding/fields.py b/video_encoding/fields.py
index ea5bb78..98b4754 100644
--- a/video_encoding/fields.py
+++ b/video_encoding/fields.py
@@ -1,5 +1,5 @@
 from django.db.models.fields.files import FieldFile, ImageField, ImageFileDescriptor
-from django.utils.translation import ugettext as _
+from django.utils.translation import gettext as _
 
 from .backends import get_backend_class
 from .files import VideoFile
diff --git a/video_encoding/models.py b/video_encoding/models.py
index c0aabbc..ee88f16 100644
--- a/video_encoding/models.py
+++ b/video_encoding/models.py
@@ -3,7 +3,7 @@
 from django.contrib.contenttypes.fields import GenericForeignKey
 from django.contrib.contenttypes.models import ContentType
 from django.db import models
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from .fields import VideoField
 from .manager import FormatManager