Fix method subtyping [recorder] (#134212)

homeassistant/components/recorder/db_schema.py

@@ -6,7 +6,7 @@ from collections.abc import Callable
 from datetime import datetime, timedelta
 import logging
 import time
-from typing import Any, Final, Self, cast
+from typing import Any, Final, Protocol, Self, cast
 
 import ciso8601
 from fnv_hash_fast import fnv1a_32
@@ -233,10 +233,14 @@ CONTEXT_BINARY_TYPE = LargeBinary(CONTEXT_ID_BIN_MAX_LENGTH).with_variant(
 TIMESTAMP_TYPE = DOUBLE_TYPE
 
 
+class _LiteralProcessorType(Protocol):
+    def __call__(self, value: Any) -> str: ...
+
+
 class JSONLiteral(JSON):
     """Teach SA how to literalize json."""
 
-    def literal_processor(self, dialect: Dialect) -> Callable[[Any], str]:
+    def literal_processor(self, dialect: Dialect) -> _LiteralProcessorType:
         """Processor to convert a value to JSON."""
 
         def process(value: Any) -> str:

homeassistant/components/recorder/migration.py

@@ -2453,7 +2453,7 @@ class BaseMigration(ABC):
         self.migration_changes = migration_changes
 
     @abstractmethod
-    def migrate_data(self, instance: Recorder) -> bool:
+    def migrate_data(self, instance: Recorder, /) -> bool:
         """Migrate some data, return True if migration is completed."""
 
     def _migrate_data(self, instance: Recorder) -> bool: