Update MAST cloud example [docs only]
@@ -348,8 +348,13 @@ flag when filtering the observations.
.. code-block:: python
- >>> from astroquery.mast import Observations
+ >>> import os
>>> import boto3
+ >>> from astroquery.mast import Observations
+
+ >>> # Need to set credentials as environment variables too.
+ >>> os.environ['AWS_ACCESS_KEY_ID'] = 'myaccesskeyid'
+ >>> os.environ['AWS_SECRET_ACCESS_KEY'] = 'mysecretaccesskey'
>>> obs_table = Observations.query_criteria(obs_collection='HST',
... filters='F160W',
