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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 get_asset_query_session(self, proxy=None):
 """Gets the ``OsidSession`` associated with the asset query service. arg: proxy (osid.proxy.Proxy):
 a proxy return: (osid.repository.AssetQuerySession) - an ``AssetQuerySession`` raise: NullArgument - ``proxy`` is ``null`` raise: OperationFailed - unable to complete request raise: Unimplemented - ``supports_asset_query()`` is ``false`` *compliance: optional -- This method must be implemented if ``supports_asset_query()`` is ``true``.* """

        return AssetQuerySession(
            self._provider_manager.get_asset_query_session(proxy),
            self._config_map)