async def METHOD_NAME(self):
    if await self.is_available(lambda x: x):
        async with aiofiles.open(self.variants_file_path, 'r') as f:
            self.initial_values = json.loads(await f.read())
            for item in self.initial_values:
                for i, v in enumerate(item):
                    item[i] = tuple(v)
    else:
        self.initial_values = []