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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 resolve_all(self, import_items):
 """Resolves a list of imports. Yields filenames. """

        for import_item in import_items:
            try:
                yield self.resolve_import(import_item)
            except ImportException as err:
                logging.info('unknown module %s', err.module_name)