diff --git a/fractalis/__init__.py b/fractalis/__init__.py
index f3bf54b8bf2fb960596330533592ff2e98ed70de..36f2cfe14d537f405e5423ec060c02a6e75ac2f1 100644
--- a/fractalis/__init__.py
+++ b/fractalis/__init__.py
@@ -3,4 +3,3 @@ from fractalis.config import configure_app
 
 app = Flask(__name__)
 configure_app(app)
-
diff --git a/fractalis/config.py b/fractalis/config.py
index dc14ebddc95be3b1f1f02e00999abdd384657c64..2d130535e1329da4846e8b4152d12dcd79416fba 100644
--- a/fractalis/config.py
+++ b/fractalis/config.py
@@ -1,13 +1,16 @@
 import os
 
+
 class BaseConfig():
     DEBUG = False
     TESTING = False
 
+
 class DevelopmentConfig(BaseConfig):
     DEBUG = True
     TESTING = False
 
+
 class TestingConfig(BaseConfig):
     DEBUG = False
     TESTING = True
@@ -18,10 +21,11 @@ config = {
     'production': 'fractalis.config.BaseConfig'
 }
 
+
 def configure_app(app):
     mode = os.getenv('FRACTALIS_MODE', default='production')
     try:
         app.config.from_object(config[mode])
     except KeyError as e:
         raise KeyError("'{}' is no valid value for the FRACTALIS_MODE "
-                        "environment variable.".format(mode)) from e
+                       "environment variable.".format(mode)) from e
diff --git a/setup.py b/setup.py
index 83d64e38115f16f181e47b555833ea526d53c06b..e590d7d48da093c970a93d330694219d6c19053b 100644
--- a/setup.py
+++ b/setup.py
@@ -4,16 +4,16 @@ from distutils.core import setup
 from setuptools import find_packages
 
 setup(
-    name = 'fractalis',
-    packages = find_packages(),
-    install_requires = [
+    name='fractalis',
+    packages=find_packages(),
+    install_requires=[
         'Flask',
         'celery'
     ],
-    setup_requires = [
+    setup_requires=[
         'pytest-runner',
     ],
-    tests_require = [
+    tests_require=[
         'pytest==3.0.3',
         'pytest-cov'
     ]
diff --git a/tests/test_config.py b/tests/test_config.py
index d349c52ce391808701d2320a4ba95ea0f3b48387..943158612ae21bd14b6846c11d607245ed2bea97 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -1,8 +1,11 @@
 import os
-import fractalis
-import pytest
 from importlib import reload
 
+import pytest
+
+import fractalis
+
+
 class TestConfig:
 
     def test_config_when_test_mode(self):