InvalidConfig has a reasonable __str__

Author: monktastic

oraclebmc/exceptions.py

@@ -46,6 +46,9 @@ def __init__(self, errors):
         """:param errors: {config key: error code}"""
         self.errors = errors
 
+    def __str__(self):
+        return str(self.errors)
+
 
 class InvalidPrivateKey(ClientError):
     """The provided key is not a private key, or the provided passphrase is incorrect."""