old_contents: from routeros_api.api import connect
  from routeros_api import query
  from routeros_api import api_structure
  
  __all__=['connect', query, api_structure]
  
new_contents: from routeros_api.api import connect
  from routeros_api import query
  from routeros_api import api_structure
  
  __all__ = ['connect', 'query', 'api_structure']
  
subject: Fix __all__.