Resolve linter contradictions: consolidate config, fix isort first-party, pylint 10/10

Agent-Logs-Url: https://github.com/christianlouis/dmarq/sessions/1e4a1f06-55b9-4040-853e-6aaf9ee574c8

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

backend/app/core/config.py

@@ -74,9 +74,9 @@ class Settings(BaseSettings):
         return v
 
     @validator("BACKEND_CORS_ORIGINS", pre=True)
-    def assemble_cors_origins(
+    def assemble_cors_origins(  # pylint: disable=no-self-argument
         cls, v: Union[str, List[str]]
-    ) -> List[str]:  # pylint: disable=no-self-argument
+    ) -> List[str]:
         if isinstance(v, str) and not v.startswith("["):
             return [i.strip() for i in v.split(",")]
         if isinstance(v, (list, str)):

backend/app/core/database.py

@@ -1,10 +1,11 @@
 from typing import Generator
 
-from app.core.config import get_settings
 from sqlalchemy import create_engine
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import sessionmaker
 
+from app.core.config import get_settings
+
 settings = get_settings()
 
 # Configure SQLAlchemy

backend/app/core/security.py

@@ -4,12 +4,13 @@ import secrets
 from datetime import datetime, timedelta
 from typing import Any, Optional, Union
 
-from app.core.config import get_settings
 from fastapi import HTTPException, Security, status
 from fastapi.security import APIKeyHeader, HTTPAuthorizationCredentials, HTTPBearer
 from jose import JWTError, jwt
 from passlib.context import CryptContext
 
+from app.core.config import get_settings
+
 settings = get_settings()
 logger = logging.getLogger(__name__)