diff --git a/scrapy_selenium/middlewares.py b/scrapy_selenium/middlewares.py
index 3761ca5..7b70592 100644
--- a/scrapy_selenium/middlewares.py
+++ b/scrapy_selenium/middlewares.py
@@ -2,10 +2,11 @@
 
 from importlib import import_module
 
+from selenium.webdriver.support.ui import WebDriverWait
+
 from scrapy import signals
 from scrapy.exceptions import NotConfigured
 from scrapy.http import HtmlResponse
-from selenium.webdriver.support.ui import WebDriverWait
 
 from .http import SeleniumRequest
 
@@ -14,7 +15,7 @@ class SeleniumMiddleware:
     """Scrapy middleware handling the requests using selenium"""
 
     def __init__(self, driver_name, driver_executable_path, driver_arguments,
-        browser_executable_path):
+                 browser_executable_path):
         """Initialize the selenium webdriver
 
         Parameters
@@ -55,8 +56,10 @@ def from_crawler(cls, crawler):
         """Initialize the middleware with the crawler settings"""
 
         driver_name = crawler.settings.get('SELENIUM_DRIVER_NAME')
-        driver_executable_path = crawler.settings.get('SELENIUM_DRIVER_EXECUTABLE_PATH')
-        browser_executable_path = crawler.settings.get('SELENIUM_BROWSER_EXECUTABLE_PATH')
+        driver_executable_path = crawler.settings.get(
+            'SELENIUM_DRIVER_EXECUTABLE_PATH')
+        browser_executable_path = crawler.settings.get(
+            'SELENIUM_BROWSER_EXECUTABLE_PATH')
         driver_arguments = crawler.settings.get('SELENIUM_DRIVER_ARGUMENTS')
 
         if not driver_name or not driver_executable_path:
@@ -71,7 +74,8 @@ def from_crawler(cls, crawler):
             browser_executable_path=browser_executable_path
         )
 
-        crawler.signals.connect(middleware.spider_closed, signals.spider_closed)
+        crawler.signals.connect(
+            middleware.spider_closed, signals.spider_closed)
 
         return middleware
 
@@ -118,4 +122,3 @@ def spider_closed(self):
         """Shutdown the driver when spider is closed"""
 
         self.driver.quit()
-
diff --git a/setup.py b/setup.py
index 16fd185..ae8aa7f 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,7 @@
 """This module contains the packaging routine for the pybook package"""
 
-from setuptools import setup, find_packages
+from setuptools import find_packages, setup
+
 try:
     from pip.download import PipSession
     from pip.req import parse_requirements
@@ -30,5 +31,3 @@ def get_requirements(source):
     packages=find_packages(),
     install_requires=get_requirements('requirements/requirements.txt')
 )
-
-
diff --git a/tests/test_middlewares.py b/tests/test_middlewares.py
index fe365e4..ce736f7 100644
--- a/tests/test_middlewares.py
+++ b/tests/test_middlewares.py
@@ -4,7 +4,6 @@
 
 from scrapy import Request
 from scrapy.crawler import Crawler
-
 from scrapy_selenium.http import SeleniumRequest
 from scrapy_selenium.middlewares import SeleniumMiddleware