1 files changed, 8 insertions, 12 deletions

diff --git a/src/mailman_pgp/utils/pgp.py b/src/mailman_pgp/utils/pgp.py
index 0e1e75c..4251693 100644
--- a/src/mailman_pgp/utils/pgp.py
+++ b/src/mailman_pgp/utils/pgp.py
@@ -25,7 +25,7 @@ def verifies(verifications):
     """
 
     :param verifications:
-    :type verifications: Sequence[pgpy.types.SignatureVerification]
+    :type verifications: typing.Sequence[pgpy.types.SignatureVerification]
     :return: bool
     """
     return all(bool(verification) and
@@ -40,7 +40,7 @@ def hashes(verifications):
 
     :param verifications:
     :return:
-    :rtype: Generator[str]
+    :rtype: typing.Generator[bytes]
     """
     for verification in verifications:
         for sigsubj in verification.good_signatures:
@@ -56,12 +56,10 @@ def key_from_blob(blob):
 
     :param blob:
     :return:
+    :rtype: pgpy.PGPKey
     """
-    keys = PGPKey.from_blob(blob)
-    if isinstance(keys, tuple):
-        return keys[0]
-    else:
-        return keys
+    key, _ = PGPKey.from_blob(blob)
+    return key
 
 
 @public
@@ -70,9 +68,7 @@ def key_from_file(file):
 
     :param file:
     :return:
+    :rtype: pgpy.PGPKey
     """
-    keys = PGPKey.from_file(file)
-    if isinstance(keys, tuple):
-        return keys[0]
-    else:
-        return keys
+    key, _ = PGPKey.from_file(file)
+    return key