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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 inflate(self):
 """Load the collection from the server, if necessary."""

        if not self._is_inflated:
            self.check_version()
            for k, v in self._filter.items():
                if '[' in v:
                    self._filter[k] = ast.literal_eval(v)
            self.load(self.client.get(self.url, params=self._filter))

        self._is_inflated = True
        return self