input: from typing import NoReturn
  
  def refresh_table(table_name: str) -> NoReturn:
      """
      Refreshes a given table of data in a PostgreSQL database every 5 minutes.
      
      >>> refresh_table("TableName")
      # (This function runs continuously without returning a value)
      """
  
      import psycopg2
      from datetime import datetime, timedelta
      import schedule
      import time
  
      conn = psycopg2.connect(
          host="localhost",
          database="db",
          user="user",
          password="password"
      )
  
      def refresh_data():
          cur = conn.cursor()
          query = f'REFRESH TABLE "{table_name}";'
          cur.execute(query)
          conn.commit()
  
      # Run the refresh_data job every 5 minutes
      schedule.every(5).minutes.do(refresh_data)
  
      while True:
          schedule.run_pending()
          time.sleep(1)
output:     conn.close()