Fix flake8 errors introduced by #326 (#328)

Author: panagiks

aiohttp_session/cookie_storage.py

@@ -35,7 +35,10 @@ async def load_session(self, request):
             try:
                 data = self._decoder(
                     self._fernet.decrypt(
-                        cookie.encode('utf-8'), ttl=self.max_age).decode('utf-8'))
+                        cookie.encode('utf-8'),
+                        ttl=self.max_age
+                    ).decode('utf-8')
+                )
                 return Session(None, data=data,
                                new=False, max_age=self.max_age)
             except InvalidToken:

tests/test_encrypted_cookie_storage.py

@@ -8,7 +8,8 @@
 
 from cryptography.fernet import Fernet
 
-from aiohttp_session import Session, session_middleware, get_session, new_session
+from aiohttp_session import (Session, session_middleware, get_session,
+                             new_session)
 from aiohttp_session.cookie_storage import EncryptedCookieStorage
 
 
@@ -174,14 +175,15 @@ async def login(request):
 
     async def handler(request):
         session = await get_session(request)
-        now = time.time()
         created = session['created'] if not session.new else None
         text = ''
         if created is not None and (time.time() - created) > MAX_AGE:
             text += 'WARNING!'
         return web.Response(text=text)
 
-    middleware = session_middleware(EncryptedCookieStorage(key, max_age=MAX_AGE))
+    middleware = session_middleware(
+        EncryptedCookieStorage(key, max_age=MAX_AGE)
+    )
     app = web.Application(middlewares=[middleware])
     app.router.add_route('POST', '/', login)
     app.router.add_route('GET', '/', handler)