text: import os
  
  from dotenv import load_dotenv
  from sqlalchemy import create_engine
  from sqlalchemy.orm import sessionmaker, Session
  
  load_dotenv()
  # Looks for postgres db in the environment variables
  SQLALCHEMY_DATABASE_URI = os.environ.get('SQLALCHEMY_DATABASE_URI')
  
  # SQLALCHEMY_DATABASE_URI = "sqlite:///example.db"  # uncomment to use sqlite
  
  engine = create_engine(SQLALCHEMY_DATABASE_URI)
  
  SessionLocal = sessionmaker(bind=engine, autoflush=False, autocommit=False)
  