diff --git a/djangocms_installer/django/__init__.py b/djangocms_installer/django/__init__.py
index 64e0c44..92cc4a4 100644
--- a/djangocms_installer/django/__init__.py
+++ b/djangocms_installer/django/__init__.py
@@ -28,8 +28,8 @@ def create_project(config_data):
     Call django-admin to create the project structure
     """
     env = deepcopy(dict(os.environ))
-    env['DJANGO_SETTINGS_MODULE'] = ('{0}.settings'.format(config_data.project_name))
-    env['PYTHONPATH'] = os.pathsep.join(map(shlex_quote, sys.path))
+    env[str('DJANGO_SETTINGS_MODULE')] = str('{0}.settings'.format(config_data.project_name))
+    env[str('PYTHONPATH')] = str(os.pathsep.join(map(shlex_quote, sys.path)))
     kwargs = {}
     args = []
     if config_data.template:
@@ -388,8 +388,8 @@ def _build_settings(config_data):
 def setup_database(config_data):
     with chdir(config_data.project_directory):
         env = deepcopy(dict(os.environ))
-        env['DJANGO_SETTINGS_MODULE'] = ('{0}.settings'.format(config_data.project_name))
-        env['PYTHONPATH'] = os.pathsep.join(map(shlex_quote, sys.path))
+        env[str('DJANGO_SETTINGS_MODULE')] = str('{0}.settings'.format(config_data.project_name))
+        env[str('PYTHONPATH')] = str(os.pathsep.join(map(shlex_quote, sys.path)))
         commands = []
 
         if config_data.django_version < 1.7:
@@ -431,8 +431,8 @@ def load_starting_page(config_data):
     """
     with chdir(config_data.project_directory):
         env = deepcopy(dict(os.environ))
-        env['DJANGO_SETTINGS_MODULE'] = ('{0}.settings'.format(config_data.project_name))
-        env['PYTHONPATH'] = os.pathsep.join(map(shlex_quote, sys.path))
+        env[str('DJANGO_SETTINGS_MODULE')] = str('{0}.settings'.format(config_data.project_name))
+        env[str('PYTHONPATH')] = str(os.pathsep.join(map(shlex_quote, sys.path)))
         subprocess.check_call([sys.executable, 'starting_page.py'], env=env)
         for ext in ['py', 'pyc', 'json']:
             try:
diff --git a/tests/config.py b/tests/config.py
index dd20ab9..93edf86 100644
--- a/tests/config.py
+++ b/tests/config.py
@@ -755,7 +755,6 @@ class TestBaseConfig(unittest.TestCase):
 
     def __init__(self, *args, **kwargs):
         self.config_not_exists = self.conf('config-dump.ini')
-
         super(TestBaseConfig, self).__init__(*args, **kwargs)
 
     def tearDown(self):
@@ -774,12 +773,10 @@ def unused(self, config_data):
         if hasattr(config_data, 'requirements'):
             delattr(config_data, 'requirements')
 
-    #@patch('sys.stdout')
-    #@patch('sys.stderr')
     def test_parse_config_file(self, *args):
         """Tests .config.__init__._parse_config_file function."""
         with self.assertRaises(SystemExit) as error:
-            config_data = config.parse(self.args[0:1] + [self.conf('config-not-exists.ini')] + self.args[1:])
+            config.parse(self.args[0:1] + [self.conf('config-not-exists.ini')] + self.args[1:])
             self.assertEqual(7, error.exception.code)
 
         args = self.args[0:1] + [self.conf('config-01.ini')] + self.args[1:]
@@ -835,10 +832,10 @@ def test_dump_config_file(self, *args):
         config_exists = self.conf('config-01.ini')
 
         with self.assertRaises(SystemExit) as error:
-            config_data = config.parse(['--config-dump', config_exists] + self.args[1:] + ['-p', '.'])
+            config.parse(['--config-dump', config_exists] + self.args[1:] + ['-p', '.'])
             self.assertEqual(8, error.exception.code)
 
-        config_data = config.parse(['--config-dump', self.config_not_exists] + self.args[1:] + ['-p', '.'])
+        config.parse(['--config-dump', self.config_not_exists] + self.args[1:] + ['-p', '.'])
         self.assertTrue(os.path.isfile(self.config_not_exists))
 
         fixture = copy.copy(self.config_fixture)