Improved typing [skip ci]

Author: ankane

tests/test_sqlmodel.py

@@ -3,7 +3,7 @@
 import pytest
 from sqlalchemy.exc import StatementError
 from sqlmodel import Field, Index, Session, SQLModel, create_engine, delete, select, text
-from typing import Any, Optional
+from typing import Any
 
 engine = create_engine('postgresql+psycopg2://localhost/pgvector_python_test')
 with Session(engine) as session:
@@ -13,11 +13,11 @@
 class Item(SQLModel, table=True):
     __tablename__ = 'sqlmodel_item'  # type: ignore
 
-    id: Optional[int] = Field(default=None, primary_key=True)
-    embedding: Optional[Any] = Field(default=None, sa_type=VECTOR(3))  # type: ignore
-    half_embedding: Optional[Any] = Field(default=None, sa_type=HALFVEC(3))  # type: ignore
-    binary_embedding: Optional[Any] = Field(default=None, sa_type=BIT(3))  # type: ignore
-    sparse_embedding: Optional[Any] = Field(default=None, sa_type=SPARSEVEC(3))  # type: ignore
+    id: int | None = Field(default=None, primary_key=True)
+    embedding: Any = Field(default=None, sa_type=VECTOR(3))  # type: ignore
+    half_embedding: Any = Field(default=None, sa_type=HALFVEC(3))  # type: ignore
+    binary_embedding: Any = Field(default=None, sa_type=BIT(3))  # type: ignore
+    sparse_embedding: Any = Field(default=None, sa_type=SPARSEVEC(3))  # type: ignore
 
 
 SQLModel.metadata.drop_all(engine)