def __init__(self, base_url, access_token):
self.base_url = base_url<EOL>self.access_token = access_token<EOL>self._session = requests.Session()<EOL>self._cache = []<EOL>
:param base_url: The base URL of the Canvas instance's API.
:type base_url: str
:param access_token: The API key to authenticate requests with.
:type access_token: str