checkCreds accepts 1 or more credentials

diff --git a/sfa/trust/auth.py b/sfa/trust/auth.py
index 470dc5e..3037051 100644 (file)
--- a/sfa/trust/auth.py
+++ b/sfa/trust/auth.py
@@ -37,6 +37,8 @@ class Auth:
         
     def checkCredentials(self, creds, operation, hrn = None):
         valid = []
+        if not isinstance(creds, list):
+            creds = [creds]
         for cred in creds:
             try:
                 self.check(cred, operation, hrn)