ci: align backend lint checks

app/api/security.py

@@ -18,14 +18,12 @@ runs in production - not a replacement.
 from __future__ import annotations
 
 import hmac
-from typing import Awaitable, Callable
+from collections.abc import Awaitable, Callable
 
 from fastapi import FastAPI, Request, Response
 from fastapi.responses import JSONResponse
 from starlette.types import ASGIApp
 
-from app.config import settings as _module_settings
-
 EXEMPT_PATHS: tuple[str, ...] = ("/", "/docs", "/redoc", "/openapi.json")
 EXEMPT_SUFFIXES: tuple[str, ...] = ("/health",)
 

app/indexing/embeddings.py

@@ -7,8 +7,8 @@ implementation and supports dense + sparse output. We fall back to
 
 from __future__ import annotations
 
+from collections.abc import Sequence
 from functools import lru_cache
-from typing import Sequence
 
 import numpy as np
 

app/indexing/opensearch_client.py

@@ -2,8 +2,9 @@
 
 from __future__ import annotations
 
+from collections.abc import Iterable
 from functools import lru_cache
-from typing import Any, Iterable
+from typing import Any
 
 from opensearchpy import OpenSearch, RequestsHttpConnection
 from opensearchpy.helpers import bulk

app/indexing/qdrant_client.py

@@ -2,8 +2,9 @@
 
 from __future__ import annotations
 
+from collections.abc import Sequence
 from functools import lru_cache
-from typing import Any, Sequence
+from typing import Any
 
 from qdrant_client import QdrantClient
 from qdrant_client.http import models as qm

app/indexing/reranker.py

@@ -7,8 +7,8 @@ Designed to degrade gracefully:
 
 from __future__ import annotations
 
+from collections.abc import Sequence
 from functools import lru_cache
-from typing import Sequence
 
 from app.config import settings
 from app.logging_config import get_logger

app/ingestion/chunker.py

@@ -20,7 +20,6 @@ from typing import Any
 from app.config import settings
 from app.ingestion.docling_extractor import (
     ExtractedBlock,
-    ExtractedFigure,
     ExtractedTable,
     ExtractionResult,
 )

app/logging_config.py

@@ -29,8 +29,7 @@ def configure_logging() -> None:
     ]
 
     structlog.configure(
-        processors=shared_processors
-        + [structlog.stdlib.ProcessorFormatter.wrap_for_formatter],
+        processors=[*shared_processors, structlog.stdlib.ProcessorFormatter.wrap_for_formatter],
         logger_factory=structlog.stdlib.LoggerFactory(),
         wrapper_class=structlog.stdlib.BoundLogger,
         cache_logger_on_first_use=True,

app/main.py

@@ -2,8 +2,8 @@
 
 from __future__ import annotations
 
+from collections.abc import AsyncIterator
 from contextlib import asynccontextmanager
-from typing import AsyncIterator
 
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware