old_contents: """
      Default Configuration for Flask Config
  """
  import os
  
  class Config:
      """
          Config base class
      """
      SECRET_KEY = os.environ.get('SECRET_KEY') or 'hard to guess string'
      MONGO_HOST = os.environ.get('MONGO_HOST') or 'localhost'
      MONGO_PORT = int(os.environ.get('MONGO_PORT') or 27017)
      MONGO_DBNAME = os.environ.get('MONGO_DBNAME') or 'test'
      DEBUG = os.environ.get('DEBUG') or True
  
      @staticmethod
      def init_app(app):
          """
              For Flask Standard
          """
          pass
  
  class DevelopmentConfig(Config):
      """
          Config for debug environment
      """
      DEBUG = True
  
  class TestingConfig(Config):
      """
          Config for test environment
      """
      TESTING = True
  
  class ProductionConfig(Config):
      """
          Config for production environment
      """
      PRODUCTION = True
  
  CONFIG = {
      'development': DevelopmentConfig,
      'testing': TestingConfig,
      'production': ProductionConfig,
      'default': DevelopmentConfig
  }
  
new_contents: """
      Default Configuration for Flask Config
  """
  import os
  from dotenv import load_dotenv, find_dotenv
  
  load_dotenv(find_dotenv(usecwd=True), override=True)
  
  class Config:
      """
          Config base class
      """
      SECRET_KEY = os.environ.get('SECRET_KEY') or 'hard to guess string'
      MONGO_HOST = os.environ.get('MONGO_HOST') or 'localhost'
      MONGO_PORT = int(os.environ.get('MONGO_PORT') or 27017)
      MONGO_DBNAME = os.environ.get('MONGO_DBNAME') or 'test'
      DEBUG = os.environ.get('DEBUG') or True
  
      @staticmethod
      def init_app(app):
          """
              For Flask Standard
          """
          pass
  
  class DevelopmentConfig(Config):
      """
          Config for debug environment
      """
      DEBUG = True
  
  class TestingConfig(Config):
      """
          Config for test environment
      """
      TESTING = True
  
  class ProductionConfig(Config):
      """
          Config for production environment
      """
      PRODUCTION = True
  
  CONFIG = {
      'development': DevelopmentConfig,
      'testing': TestingConfig,
      'production': ProductionConfig,
      'default': DevelopmentConfig
  }
  
subject: Fix config BUG