clean: isort

custom_pgvector.py

@@ -1,25 +1,20 @@
 from __future__ import annotations
 
-import asyncio
 import contextlib
 import enum
 import json
 import logging
-from functools import partial
-from typing import (Any, Callable, Dict, Generator, Iterable, List, Optional,
-                    Tuple, Type)
+from typing import Any, Dict, Generator, Iterable, List, Optional, Tuple, Type
 
-import numpy as np
 import pandas as pd
 import sqlalchemy
 from langchain.docstore.document import Document
 from langchain.schema.embeddings import Embeddings
 from langchain.utils import get_from_dict_or_env
 from langchain.vectorstores.base import VectorStore
-from langchain.vectorstores.pgvector import BaseModel
 from pgvector.sqlalchemy import Vector
 from sqlalchemy import delete, text
-from sqlalchemy.orm import Session, declarative_base, relationship
+from sqlalchemy.orm import Session, declarative_base
 
 
 class DistanceStrategy(str, enum.Enum):