diff --git a/__init__.py b/__init__.py
new file mode 100755
index 0000000..e69de29
diff --git a/django_scarface/settings/__init__.py b/django_scarface/settings/__init__.py
index 1eba2df..fd97ffa 100755
--- a/django_scarface/settings/__init__.py
+++ b/django_scarface/settings/__init__.py
@@ -1,2 +1,2 @@
 # coding=utf-8
-from local import *
\ No newline at end of file
+from .local import *
\ No newline at end of file
diff --git a/django_scarface/settings/test.py b/django_scarface/settings/test.py
index e708d12..9b2c6fa 100644
--- a/django_scarface/settings/test.py
+++ b/django_scarface/settings/test.py
@@ -1,4 +1,4 @@
-from local import *
+from .local import *
 from os.path import join
 
 SOUTH_TESTS_MIGRATE = False
diff --git a/scarface/management/commands/extract_keys.py b/scarface/management/commands/extract_keys.py
index 1f564d3..0789311 100644
--- a/scarface/management/commands/extract_keys.py
+++ b/scarface/management/commands/extract_keys.py
@@ -9,7 +9,7 @@
 import re
 
 regex = re.compile(
-    ur'(?P<cert>-----BEGIN CERTIFICATE-----.*-----END CERTIFICATE-----).*(?P<key>-----BEGIN RSA PRIVATE KEY-----.*-----END RSA PRIVATE KEY-----)',
+    u'(?P<cert>-----BEGIN CERTIFICATE-----.*-----END CERTIFICATE-----).*(?P<key>-----BEGIN RSA PRIVATE KEY-----.*-----END RSA PRIVATE KEY-----)',
     re.IGNORECASE | re.MULTILINE | re.UNICODE | re.DOTALL)
 
 
@@ -40,10 +40,10 @@ def handle(self, *args, **options):
         if not os.path.isfile(file_name):
             raise CommandError(u'File "%s" does not exist'.format(file_name))
         arguments = "openssl pkcs12 -nodes -in {file} -passin pass:\"{pw}\"".format(file=file_name, pw=password)
-        result = subprocess.check_output(arguments, shell=True)
-        match = re.search(regex, result)
-        cert_string = match.group("cert").replace("\n", "\\n")
-        key_string = match.group("key").replace("\n", "\\n")
+        result = subprocess.check_output(arguments, shell=True).decode(encoding='utf-8')
+        groups = re.search(regex, result).groupdict()
+        cert_string = groups["cert"].replace("\n", "\\n")
+        key_string = groups["key"].replace("\n", "\\n")
         self.stdout.write("Copy the following two lines to your settings file:\n\n")
         self.stdout.write("SCARFACE_APNS_CERTIFICATE=\"{0}\"".format(cert_string))
         self.stdout.write("SCARFACE_APNS_PRIVATE_KEY=\"{0}\"".format(key_string))
\ No newline at end of file
diff --git a/scarface/models.py b/scarface/models.py
index 8aecb8c..dceaa11 100644
--- a/scarface/models.py
+++ b/scarface/models.py
@@ -1,7 +1,7 @@
 from abc import ABCMeta, abstractproperty, abstractmethod
 import json
 from django.conf import settings
-from utils import DefaultConnection, PushLogger, APP_PREFIX
+from .utils import DefaultConnection, PushLogger, APP_PREFIX
 from django.db import models
 
 
diff --git a/scarface/tests.py b/scarface/tests.py
index 4d1bf26..c27f55a 100644
--- a/scarface/tests.py
+++ b/scarface/tests.py
@@ -4,12 +4,12 @@
 
 Replace this with more appropriate tests for your application.
 """
-from StringIO import StringIO
 from boto.exception import BotoServerError
 from django.test import TestCase
 from django.test.utils import override_settings
-from models import APNApplication, GCMApplication, Topic, SNSDevice, PushMessage
-from utils import get_sns_connection, DefaultConnection, APP_PREFIX
+from six import StringIO
+from .models import APNApplication, GCMApplication, Topic, SNSDevice, PushMessage
+from .utils import get_sns_connection, DefaultConnection, APP_PREFIX
 from django.core.management import call_command
 
 
@@ -129,7 +129,7 @@ def test_add_to_app_topic(self):
         gcm_devices = gcm_device.platform.all_devices()
         apn_devices = apn_device.platform.all_devices()
         gcm_devices.extend(apn_devices)
-        self.assertEquals(len(subscriptions), len(gcm_devices))
+        self.assertEqual(len(subscriptions), len(gcm_devices))
 
     def test_send_to_topic(self):
         created, apn_device = self.create_apn_device()