Fix flakes errors.

isso/__init__.py

@@ -220,8 +220,6 @@ def main():
     imprt.add_argument("--empty-id", dest="empty_id", action="store_true",
                        help="workaround for weird Disqus XML exports, #135")
 
-    serve = subparser.add_parser("run", help="run server")
-
     args = parser.parse_args()
     conf = config.load(join(dist.location, dist.project_name, "defaults.ini"), args.conf)
 

isso/utils/http.py

@@ -44,7 +44,7 @@ class curl(object):
             self.con = http(host, port, timeout=self.timeout)
             try:
                 self.con.request(self.method, self.path, headers=self.headers)
-            except (httplib.HTTPException, socket.error) as e:
+            except (httplib.HTTPException, socket.error):
                 return None
 
             try: