refers to this example https://github.com/upwork/python-upwork/blob/master/example/myapp.py#L41 When I use `client.get_access_token(verifier)`, it always return (None, None). So, `access_token` and `access_token_secret` always **None**
refers to this example https://github.com/upwork/python-upwork/blob/master/example/myapp.py#L41
When I use
client.get_access_token(verifier), it always return (None, None).So,
access_tokenandaccess_token_secretalways None