def list(self, **params):
_, _, stages = self.http_client.get("<STR_LIT>", params=params)<EOL>return stages<EOL>
Retrieve all stages

Returns all stages available to the user, according to the parameters provided

:calls: ``get /stages``
:param dict params: (optional) Search options.
:return: List of dictionaries that support attriubte-style access, which represent collection of Stages.
:rtype: list