fixing DQ issues

middleware/auth.py

@@ -19,9 +19,10 @@ pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
 
 
 class AuthManager:
-    """JWT-based authentication manager with bcrypt password hashing"""
+    """JWT-based authentication manager with bcrypt password hashing."""
 
     def __init__(self):
+        """Class constructor."""
         self.secret_key = os.getenv(
             "JWT_SECRET_KEY", "your-secret-key-change-in-production-please"
         )

middleware/rate_limiter.py

@@ -11,6 +11,7 @@ class RateLimiter:
     """In-memory rate limiter using sliding window"""
 
     def __init__(self):
+        """Class constructor."""
         # Dictionary to store request timestamps for each client
         self.clients: Dict[str, deque] = defaultdict(lambda: deque())
         self.cleanup_interval = 3600  # Clean up old entries every hour