made version 2

app/db/db.py

@@ -9,7 +9,7 @@ from sqlalchemy.orm import Session, sessionmaker
 Base = declarative_base()
 
 # Database configuration
-DATABASE_URL = os.getenv("DATABASE_URL", "sqlite:///investors.db")
+DATABASE_URL = os.getenv("DATABASE_URL", "sqlite:///./investors.db")
 
 # Create engine
 engine = create_engine(DATABASE_URL, echo=False)
@@ -38,3 +38,7 @@ def init_database():
 def get_session_sync() -> Session:
     """Get a database session for synchronous operations"""
     return SessionLocal()
+
+def get_db_session():
+    """Get a database session for direct use."""
+    return SessionLocal()