chore: type hints on init for methods and key types

Signed-off-by: Daniel Bluhm <dbluhm@pm.me>

Author: dbluhm

aries_cloudagent/wallet/did_method.py

@@ -9,7 +9,7 @@
 class DIDMethod:
     """Class to represent a did method."""
 
-    def __init__(self, name, key_types, rotation) -> None:
+    def __init__(self, name: str, key_types: List[KeyType], rotation: bool = False):
         """Construct did method class."""
         self._method_name: str = name
         self._supported_key_types: List[KeyType] = key_types

aries_cloudagent/wallet/key_type.py

@@ -6,7 +6,7 @@
 class KeyType:
     """Key Type class."""
 
-    def __init__(self, key_type, multicodec_name, multicodec_prefix: bytes) -> None:
+    def __init__(self, key_type: str, multicodec_name: str, multicodec_prefix: bytes):
         """Construct key type."""
         self._type: str = key_type
         self._name: str = multicodec_name