diff --git a/sanic/config.py b/sanic/config.py
index 075bc47d..2d24098c 100644
--- a/sanic/config.py
+++ b/sanic/config.py
@@ -127,7 +127,7 @@ class Config(dict):
         self.KEEP_ALIVE = keep_alive
         self.WEBSOCKET_MAX_SIZE = 2 ** 20  # 1 megabytes
         self.WEBSOCKET_MAX_QUEUE = 32
-        self.GRACEFUL_SHUTDOWN_TIMEOUT = 15.0 # 15 sec
+        self.GRACEFUL_SHUTDOWN_TIMEOUT = 15.0  # 15 sec
 
         if load_env:
             self.load_environment_vars()
diff --git a/sanic/server.py b/sanic/server.py
index 7ceef655..f4babb89 100644
--- a/sanic/server.py
+++ b/sanic/server.py
@@ -403,7 +403,8 @@ def serve(host, port, request_handler, error_handler, before_start=None,
           register_sys_signals=True, run_async=False, connections=None,
           signal=Signal(), request_class=None, has_log=True, keep_alive=True,
           is_request_stream=False, router=None, websocket_max_size=None,
-          websocket_max_queue=None, state=None, graceful_shutdown_timeout=15.0):
+          websocket_max_queue=None, state=None,
+          graceful_shutdown_timeout=15.0):
     """Start asynchronous HTTP Server on an individual process.
 
     :param host: Address to host on
diff --git a/sanic/worker.py b/sanic/worker.py
index 3adef65f..7c02053c 100644
--- a/sanic/worker.py
+++ b/sanic/worker.py
@@ -94,7 +94,8 @@ class GunicornWorker(base.Worker):
             # gracefully shutdown timeout
             start_shutdown = 0
             graceful_shutdown_timeout = self.cfg.graceful_timeout
-            while self.connections and (start_shutdown < graceful_shutdown_timeout):
+            while self.connections and \
+                    (start_shutdown < graceful_shutdown_timeout):
                 await asyncio.sleep(0.1)
                 start_shutdown = start_shutdown + 0.1
 
@@ -109,7 +110,6 @@ class GunicornWorker(base.Worker):
             _shutdown = asyncio.gather(*coros, loop=self.loop)
             await _shutdown
 
-
     async def _run(self):
         for sock in self.sockets:
             state = dict(requests_count=0)