refresh_token token not found

[kittinan]

Error log

16:19:20:91
1596187161 1596186860
Refresh token
[ERROR]	2020-07-31T09:19:21.16Z	385ee52d-406e-4db0-932f-206594d6bea5	Exception on /api/view [GET]
Traceback (most recent call last):
  File "/var/task/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/var/task/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/var/task/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/var/task/flask/_compat.py", line 39, in reraise
    raise value
  File "/var/task/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/var/task/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "./api/view.py", line 171, in catch_all
    item, is_now_playing = get_song_info(uid)
  File "./api/view.py", line 148, in get_song_info
    access_token = get_access_token(uid)
  File "./api/view.py", line 129, in get_access_token
    refresh_token = token_info["refresh_token"]
KeyError: 'refresh_token'