text: """Define package errors."""
  
  
  class KnmiError(Exception):
      """Define a base error."""
  
      pass
  
  
  class InvalidApiKey(KnmiError):
      """Define an error related to invalid or missing API Key."""
  
      pass
  
  
  class RequestError(KnmiError):
      """Define an error related to invalid requests."""
  
      pass
  
  class ResultError(KnmiError):
      """Define an error related to the result returned from a request."""
  
      pass
  