Set priority to 0, set viability to permanently null. Add test to ensure keyring can render itself. Ref
@@ -11,6 +11,14 @@ from ..backend import KeyringBackend
class ChainerBackend(KeyringBackend):
+ """
+ >>> ChainerBackend(())
+ <keyring.backends.chainer.ChainerBackend object at ...>
+ """
+
+ priority = 0
+ viable = False
+
def __init__(self, backends):
self.backends = list(backends)
