def _conditional_import_module(self, module_name):
        try:
            exec('import '+module_name)
        except ImportError, error:
            if self._warn_on_extension_import:
                warnings.warn('Did a C extension fail to compile? %s' % error)
        return locals().get(module_name)
If a blockdevice associated to a dataset exists, but the dataset
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/test/test_hashlib.py/HashLibTestCase._conditional_import_module--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/test/test_blockdevice.py/BlockDeviceDeployerDiscoverStateTests.test_registered_other_blockdevice