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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_errors(self):
 """If there were any business errors fetching data for this property, returns the error messages. Returns: string - the error message, or None if there was no error. """

        return [{cr.component_name: cr.get_error()}
                for cr in self.component_results if cr.has_error()]