1 files changed, 4 insertions, 6 deletions

diff --git a/src/mailman_pgp/pgp/inline.py b/src/mailman_pgp/pgp/inline.py
index 49f0a6e..fa8f878 100644
--- a/src/mailman_pgp/pgp/inline.py
+++ b/src/mailman_pgp/pgp/inline.py
@@ -239,19 +239,17 @@ class InlineWrapper:
         """
         yield from map(key.verify, self.get_signature())
 
-    def _sign(self, pmsg, key, hash):
+    def _sign(self, pmsg, key, **kwargs):
         smsg = copy.copy(pmsg)
-        smsg |= key.sign(smsg, hash=hash)
+        smsg |= key.sign(smsg, **kwargs)
         return smsg
 
-    def sign(self, key, hash=None):
+    def sign(self, key, **kwargs):
         """
         Sign a message with key.
 
         :param key: The key to sign with.
         :type key: pgpy.PGPKey
-        :param hash: The hash algorithm to use.
-        :type hash: pgpy.constants.HashAlgorithm
         :return: The signed message.
         :rtype: mailman.email.message.Message
         """
@@ -263,7 +261,7 @@ class InlineWrapper:
                 else:
                     payload = str(part.get_payload())
                     pmsg = PGPMessage.new(payload, cleartext=True)
-                smsg = self._sign(pmsg, key, hash)
+                smsg = self._sign(pmsg, key, **kwargs)
                 part.set_payload(str(smsg))
         return out