def __init__(self, api_url='https://api.pro.coinbase.com', timeout=30):
        """Create cbpro API public client.

        Args:
            api_url (Optional[str]): API URL. Defaults to cbpro API.

        """
        self.url = api_url.rstrip('/')
        self.auth = None
        self.session = requests.Session()
Create cbpro API public client.

        Args:
            api_url (Optional[str]): API URL. Defaults to cbpro API.

        
cbpro/public_client.py