erpnext integeration with dropbox v2

Traceback (most recent call last):
File "/home/frappe/frappe-bench/apps/frappe/frappe/app.py", line 55, in application
response = frappe.handler.handle()
File "/home/frappe/frappe-bench/apps/frappe/frappe/handler.py", line 21, in handle
data = execute_cmd(cmd)
File "/home/frappe/frappe-bench/apps/frappe/frappe/handler.py", line 52, in execute_cmd
return frappe.call(method, **frappe.form_dict)
File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 907, in call
return fn(*args, **newargs)
File "/home/frappe/frappe-bench/apps/frappe/frappe/integrations/doctype/dropbox_settings/dropbox_settings.py", line 54, in get_dropbox_authorize_url
request_token = sess.obtain_request_token()
File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/dropbox/session.py", line 216, in obtain_request_token
response = self.rest_client.POST(url, headers=headers, params=params, raw_response=True)
File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/dropbox/rest.py", line 322, in POST
return cls.IMPL.POST(*n, **kw)
File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/dropbox/rest.py", line 260, in POST
is_json_request=is_json_request)
File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/dropbox/rest.py", line 235, in request
raise ErrorResponse(r, r.read())
ErrorResponse: [400] u'v1_retired'

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