Fixing some documentation errors (firebase#144)

hiranya911 · web-flow · commit 1af54ed047ef · 2018-03-26T17:17:09.000-07:00
diff --git a/firebase_admin/auth.py b/firebase_admin/auth.py
@@ -68,7 +68,7 @@ def create_custom_token(uid, developer_claims=None, app=None):
       app: An App instance (optional).
 
     Returns:
-      string: A token minted from the input parameters.
+      bytes: A token minted from the input parameters.
 
     Raises:
       ValueError: If input parameters are invalid.
diff --git a/firebase_admin/credentials.py b/firebase_admin/credentials.py
@@ -33,8 +33,12 @@
     'https://www.googleapis.com/auth/userinfo.email'
 ]
 
-AccessTokenInfo = collections.namedtuple(
-    'AccessTokenInfo', ['access_token', 'expiry'])
+AccessTokenInfo = collections.namedtuple('AccessTokenInfo', ['access_token', 'expiry'])
+"""Data included in an OAuth2 access token.
+
+Contains the access token string and the expiry time. The expirty time is exposed as a
+``datetime`` value.
+"""
 
 
 class Base(object):
