cli: Fix key_id used with no-encoding stdout on python2.

caucase/cli.py

@@ -962,11 +962,11 @@ def key_id(argv=None):
     with open(key_path, 'rb') as key_file:
       print(
         key_path,
-        utils.toUnicode(hexlify(
+        hexlify(
           x509.SubjectKeyIdentifier.from_public_key(
             utils.load_privatekey(key_file.read()).public_key(),
           ).digest,
-        )),
+        ),
       )
   for backup_path in args.backup:
     print(backup_path)
@@ -979,4 +979,4 @@ def key_id(argv=None):
         backup_file.read(struct.calcsize('<I')),
       )
       for key_entry in json.loads(backup_file.read(header_len))['key_list']:
-        print(b' ', key_entry['id'])
+        print(b' ', key_entry['id'].encode('utf-8'))