trezor: rename kwarg to 'label'

sshagent/__main__.py

@@ -123,7 +123,8 @@ def trezor_verify():
     args = p.parse_args()
 
     setup_logging(verbosity=args.verbose)
-    hostname = subprocess.check_output('hostname')
+    host = subprocess.check_output('hostname')
+    label = '{}'.format(host)
     with trezor.Client() as client:
-        return client.sign_identity(identity=hostname,
+        return client.sign_identity(label=label,
                                     expected_address=args.address)

sshagent/trezor/__init__.py

@@ -76,12 +76,12 @@ class Client(object):
         s = util.bytes2num(sig[32:])
         return (r, s)
 
-    def sign_identity(self, identity, expected_address=None):
+    def sign_identity(self, label, expected_address=None):
         from bitcoin import pubkey_to_address
 
         visual = time.strftime('%d/%m/%y %H:%M:%S')
         hidden = os.urandom(64)
-        identity = self.get_identity(identity)
+        identity = self.get_identity(label=label)
 
         derivation_path = _get_address(identity)
         node = self.client.get_public_node(derivation_path)