From a0037d23bd7478b5e6f2241041a9df7ffa495786 Mon Sep 17 00:00:00 2001
From: Delemangi <milev.stefan@gmail.com>
Date: Mon, 4 Mar 2024 00:37:23 +0100
Subject: [PATCH] Fix Ruff errors

---
 backend/app/database.py | 6 +++---
 backend/app/main.py     | 4 +++-
 backend/app/settings.py | 4 ++--
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/backend/app/database.py b/backend/app/database.py
index a7e064a..f08ac36 100644
--- a/backend/app/database.py
+++ b/backend/app/database.py
@@ -17,7 +17,7 @@
 
 
 def get_engine() -> AsyncEngine:
-    global engine
+    global engine  # noqa: PLW0603
 
     if SQLALCHEMY_DATABASE_URL is None:
         raise ValueError("DATABASE_URL environment variable is not set")
@@ -30,8 +30,8 @@ def get_engine() -> AsyncEngine:
 async_session_maker: None | async_sessionmaker = None
 
 
-def get_session_maker():
-    global async_session_maker
+def get_session_maker() -> async_sessionmaker:
+    global async_session_maker  # noqa: PLW0603
     if async_session_maker is None:
         async_session_maker = async_sessionmaker(
             autocommit=False, autoflush=False, bind=get_engine(), expire_on_commit=False
diff --git a/backend/app/main.py b/backend/app/main.py
index a05cbd7..f02b46d 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -14,6 +14,8 @@
 
 from app.settings import APISettings
 
+MAX_CONNECTION_ATTEMPTS = 10
+
 
 @asynccontextmanager
 async def lifespan(_: FastAPI) -> AsyncGenerator[None, None]:
@@ -25,7 +27,7 @@ async def lifespan(_: FastAPI) -> AsyncGenerator[None, None]:
         except Exception as ex:
             print(ex)
             time.sleep(1)
-        if i == 9:
+        if i == MAX_CONNECTION_ATTEMPTS - 1:
             sys.exit()
 
     Path.mkdir(Path(FILE_PATH), exist_ok=True)
diff --git a/backend/app/settings.py b/backend/app/settings.py
index 9abd76c..e085171 100644
--- a/backend/app/settings.py
+++ b/backend/app/settings.py
@@ -1,6 +1,6 @@
-from pydantic_settings import BaseSettings, SettingsConfigDict
+from pydantic_settings import BaseSettings
 
 
 class APISettings(BaseSettings):
-    host: str = "0.0.0.0"
+    host: str = "0.0.0.0"  # noqa: S104
     port: int = 8002