[{'message': 'No operating currency specified. Please add one to your '
             'beancount file.',
  'source': None,
  'type': 'FavaError'},
 {'message': 'interpolation failed: cannot infer currency for posting to '
             'account Assets:Cash',
  'source': {'filename': 'TEST_DATA_DIR/errors.beancount',
             'lineno': 11},
  'type': 'BeancountError'}]