code: def test_cost_penalties():
      raise NotImplementedError
  
file_path: FinRL/unit_tests/environments/test_cash_penalty.py
imports: from __future__ import annotations
  import numpy
  import pytest
  from finrl.meta.env_stock_trading.env_stocktrading_cashpenalty import StockTradingEnvCashpenalty
  from finrl.meta.preprocessor.yahoodownloader import YahooDownloader
label_desc: Use image node_id 6 for calling a global function with example usage: test_cost_penalties() without return types