🐛 fix(__main__.py): replace deprecated session.query() method with session.exec() to fix superuser creation issue

src/backend/langflow/__main__.py

@@ -9,17 +9,19 @@ from typing import Optional
 import httpx
 import typer
 from dotenv import load_dotenv
-from langflow.main import setup_app
-from langflow.services.database.utils import session_getter
-from langflow.services.deps import get_db_service, get_settings_service
-from langflow.services.utils import initialize_services, initialize_settings_service
-from langflow.utils.logger import configure, logger
 from multiprocess import Process, cpu_count  # type: ignore
 from rich import box
 from rich import print as rprint
 from rich.console import Console
 from rich.panel import Panel
 from rich.table import Table
+from sqlmodel import select
+
+from langflow.main import setup_app
+from langflow.services.database.utils import session_getter
+from langflow.services.deps import get_db_service, get_settings_service
+from langflow.services.utils import initialize_services, initialize_settings_service
+from langflow.utils.logger import configure, logger
 
 console = Console()
 
@@ -338,7 +340,7 @@ def superuser(
             # Verify that the superuser was created
             from langflow.services.database.models.user.model import User
 
-            user: User = session.query(User).filter(User.username == username).first()
+            user: User = session.exec(select(User).where(User.username == username)).first()
             if user is None or not user.is_superuser:
                 typer.echo("Superuser creation failed.")
                 return