Add some docstrings

qiskit_quantuminspire/api/authentication.py

@@ -13,6 +13,8 @@ class AuthorisationError(Exception):
 
 
 class IdentityProvider:
+    """Class for interfacing with the IdentityProvider."""
+
     def __init__(self, well_known_endpoint: str):
         self._well_known_endpoint = well_known_endpoint
         self._token_endpoint, self._device_endpoint = self._get_endpoints()
@@ -36,6 +38,8 @@ def refresh_access_token(self, client_id: str, refresh_token: str) -> dict[str,
 
 
 class OauthDeviceSession:
+    """Class for storing OAuth session information and refreshing tokens when needed."""
+
     def __init__(self, host: Url, settings: ApiSettings, identity_provider: IdentityProvider):
         self._api_settings = settings
         _auth_settings = settings.auths[host]

qiskit_quantuminspire/api/client.py

@@ -7,6 +7,9 @@
 
 
 class Configuration(compute_api_client.Configuration):  # type: ignore[misc]
+    """Original Configuration class in compute_api_client does not handle refreshing bearer tokens, so we need to add
+    some functionality."""
+
     def __init__(self, host: str, oauth_session: OauthDeviceSession, **kwargs: Any):
         self._oauth_session = oauth_session
         super().__init__(host=host, **kwargs)