2025-07-04 16:58:10,952 - trainer_MyTestExp - INFO - info:66 - 📄 Using default configuration
2025-07-04 16:58:10,953 - trainer_MyTestExp - INFO - info:66 - 🔧 Configuration: {
  "data": {
    "tickers": [
      "AAPL",
      "MSFT",
      "GOOGL",
      "AMZN",
      "TSLA"
    ],
    "period": "5y",
    "interval": "1d",
    "use_sp500": false
  },
  "environment": {
    "initial_balance": 10000,
    "transaction_cost": 0.001,
    "max_position_size": 1.0,
    "lookback_window": 60,
    "reward_type": "return"
  },
  "training": {
    "algorithm": "PPO",
    "total_timesteps": 500000,
    "learning_rate": 0.0003,
    "batch_size": 64,
    "n_epochs": 10,
    "gamma": 0.99,
    "eval_freq": 1000,
    "n_eval_episodes": 5,
    "save_freq": 10000,
    "seed": 42
  }
}
2025-07-04 16:58:10,954 - trainer_MyTestExp - INFO - info:66 - 💾 Configuration saved to experiments/MyTestExp/config.json
2025-07-04 16:58:10,955 - trainer_MyTestExp - INFO - info:66 - 🎯 Trainer initialized for experiment: MyTestExp
2025-07-04 16:58:10,955 - trainer_MyTestExp - INFO - info:66 - 📁 Experiment directory: experiments/MyTestExp
2025-07-04 16:58:10,956 - trainer_MyTestExp - INFO - info:66 - 🚀 Starting complete training pipeline
2025-07-04 16:58:10,957 - trainer_MyTestExp - INFO - info:66 - ⏱️  Starting Model Evaluation...
2025-07-04 16:58:10,957 - trainer_MyTestExp - ERROR - error:78 - Training pipeline failed: 'NoneType' object has no attribute 'keys'