(opensips-cli): instance switch 10.0.0.1
Welcome to OpenSIPS Command Line Interface!
Traceback (most recent call last):
  File "/usr/local/bin/opensips-cli", line 4, in <module>
    __import__('pkg_resources').run_script('opensipscli==0.1.0', 'opensips-cli')
  File "/usr/lib/python3.6/site-packages/pkg_resources/__init__.py", line 654, in run_script
    self.require(requires)[0].run_script(script_name, ns)
  File "/usr/lib/python3.6/site-packages/pkg_resources/__init__.py", line 1434, in run_script
    exec(code, namespace, namespace)
  File "/usr/local/lib/python3.6/site-packages/opensipscli-0.1.0-py3.6.egg/EGG-INFO/scripts/opensips-cli", line 9, in <module>
    run_console()
  File "/usr/local/lib/python3.6/site-packages/opensipscli-0.1.0-py3.6.egg/EGG-INFO/scripts/opensips-cli", line 6, in run_console
    main.main()
  File "/usr/local/lib/python3.6/site-packages/opensipscli-0.1.0-py3.6.egg/opensipscli/main.py", line 78, in main
    sys.exit(shell.cmdloop())
  File "/usr/local/lib/python3.6/site-packages/opensipscli-0.1.0-py3.6.egg/opensipscli/cli.py", line 253, in cmdloop
    super(OpenSIPSCLIShell, self).cmdloop(intro='')
  File "/usr/lib64/python3.6/cmd.py", line 139, in cmdloop
    stop = self.postcmd(stop, line)
  File "/usr/local/lib/python3.6/site-packages/opensipscli-0.1.0-py3.6.egg/opensipscli/cli.py", line 204, in postcmd
    self.update_instance(cfg.current_instance)
  File "/usr/local/lib/python3.6/site-packages/opensipscli-0.1.0-py3.6.egg/opensipscli/cli.py", line 163, in update_instance
    self.modules[name] = (imod, mod.__get_methods__(imod))
  File "/usr/local/lib/python3.6/site-packages/opensipscli-0.1.0-py3.6.egg/opensipscli/modules/mi.py", line 182, in __get_methods__
    return comm.execute('which')
  File "/usr/local/lib/python3.6/site-packages/opensipscli-0.1.0-py3.6.egg/opensipscli/comm.py", line 40, in execute
    ret = comm_handler.execute(cmd, params)
  File "/usr/local/lib/python3.6/site-packages/opensipscli-0.1.0-py3.6.egg/opensipscli/communication/http.py", line 38, in execute
    replycmd = urllib.request.urlopen(request).read().decode()
  File "/usr/lib64/python3.6/urllib/request.py", line 223, in urlopen
    return opener.open(url, data, timeout)
  File "/usr/lib64/python3.6/urllib/request.py", line 532, in open
    response = meth(req, response)
  File "/usr/lib64/python3.6/urllib/request.py", line 642, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/lib64/python3.6/urllib/request.py", line 570, in error
    return self._call_chain(*args)
  File "/usr/lib64/python3.6/urllib/request.py", line 504, in _call_chain
    result = func(*args)
  File "/usr/lib64/python3.6/urllib/request.py", line 650, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)
urllib.error.HTTPError: HTTP Error 400: Bad Request