[feat] decryption interoperability, when the current key pair

        is renewed

- there is only one private inactive key that is the key
 expiring last among all inactive keys
- if there is an inactive key, decryption with it,  is tried
if it fails with the current active key.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/leap/bitmask/keymanager/keys.py b/src/leap/bitmask/keymanager/keys.py
index 6aca0320..d26f8b31 100644
--- a/src/leap/bitmask/keymanager/keys.py
+++ b/src/leap/bitmask/keymanager/keys.py
@@ -289,7 +289,7 @@ class OpenPGPKey(object):
         return key, value
 
     def has_expired(self):
-        return self.expiry_date < datetime.now()
+        return self.expiry_date and self.expiry_date < datetime.now()
 
     def __iter__(self):
         return self