http: Word-wrap a long line.

caucase/http.py

@@ -430,7 +430,11 @@ def main(argv=None, until=utils.until):
   base_url = u'http://' + args.netloc.decode('ascii')
   parsed_base_url = urlparse(base_url)
   hostname = parsed_base_url.hostname
-  http_port = parsed_base_url.port if args.base_port is None else args.base_port
+  http_port = (
+    parsed_base_url.port
+    if args.base_port is None
+    else args.base_port
+  )
   https_port = 443 if http_port == 80 else http_port + 1
   cau_crt_life_time = args.user_crt_validity
   cau = UserCertificateAuthority(