old_contents: import os
  
  from pfamserver.config.base import BaseConfig
  
  
  class TestingConfig(BaseConfig):
      DEBUG = True
      TESTING = True
      SQLALCHEMY_DATABASE_URI = os.environ.get(
          "SQLALCHEMY_DATABASE_URI", "sqlite:///:memory:"
      )
  
      @staticmethod
      def init_app(app):
          BaseConfig.init_app(app)
  
new_contents: from pfamserver.config.base import BaseConfig
  
  
  class TestingConfig(BaseConfig):
      DEBUG = True
      TESTING = True
  
      @staticmethod
      def init_app(app):
          BaseConfig.init_app(app)
  
subject: Remove difference between testing and base config.