I'd use the align with opening delimiter again here:

``` python
    def __init__(self, base_url, useragent=None, debug=False, insecure=False,
                 username=None, password=None, httpauth=None,
                 session_cookie=None, session_id=None, session_name='tg-visit',
                 cache_session=True, retries=None, timeout=None):
```