title: Connect to Redshift using Python using IAM Role
body: <p>I'am using sqlalchemy and psycopg2 to connect python to redshift.</p>
  
  <pre><code>engine = create_engine('postgresql://user:password@hostname:port/database_name')
  </code></pre>
  
  <p>I want to avoid using my password to connect to redshift and using IAM Role.</p>