Refactored sniff_hosts for easier implementation of AsyncTransport

elasticsearch/connection/http_requests.py

@@ -31,7 +31,7 @@ class RequestsHttpConnection(Connection):
         if not REQUESTS_AVAILABLE:
             raise ImproperlyConfigured("Please install requests to use RequestsHttpConnection.")
 
-        super(RequestsHttpConnection, self).__init__(host= host, port=port, **kwargs)
+        super(RequestsHttpConnection, self).__init__(host=host, port=port, **kwargs)
         self.session = requests.session()
         if http_auth is not None:
             if isinstance(http_auth, (tuple, list)):
@@ -91,4 +91,4 @@ class RequestsHttpConnection(Connection):
         """
         Explicitly closes connections
         """
-        self.session.close()
+        self.session.close()