Traceback when starting vnc_cfg_api_server.py

[Sylvain Afchain]

Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/gevent/greenlet.py", line 327, in run
    result = self._run(*self.args, **self.kwargs)
  File "/usr/local/lib/python2.7/dist-packages/pysandesh/sandesh_http.py", line 79, in start_http_server
    port=self._http_port, server='gevent')
  File "/usr/local/lib/python2.7/dist-packages/bottle.py", line 755, in run
    run(self, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/bottle.py", line 3114, in run
    server.run(app)
  File "/usr/local/lib/python2.7/dist-packages/bottle.py", line 2897, in run
    raise RuntimeError(msg)
RuntimeError: Bottle requires gevent.monkey.patch_all() (before import)
<Greenlet at 0x2ec1190: <bound method SandeshHttp.start_http_server of <pysandesh.sandesh_http.SandeshHttp object at 0x2e29d50>>> failed with RuntimeError